Jay Jaffe FanGraphs Chat – 9/16/19

12:02
Avatar Jay Jaffe: Good afternoon folks, and welcome to another edition of my Monday chat. Apparently, I screwed something up and the queue has been open for awhile, but that just gives us a good stock of questions to start with.

12:04
Avatar Jay Jaffe: My piece for today, on the premature end of Mike Trout’s season, went up a little while ago https://blogs.fangraphs.com/mike-trouts-season-is-over-which-completel…. It’s a bummer, but not half as much a bummer as the death of Ric Ocasek, news of which reached me (and everybody else) last night.

The Cars were an unstoppable hit machine when I was in grade school. Entry level new wave/post-punk, catchy as hell, icy cool. Only later did I appreciate the extent to which they were a gateway to so many great bands that influenced them — Kraftwerk, Roxy Music, Bowie, Suicide, the Modern Lovers, etc. Their first album is utter perfection, and the ones that followed are pretty damn good as well.

12:04
Avatar Jay Jaffe: Anyway, on with the show.

12:04
MVP: Do you think Trout hangs on to win the AL MVP vote despite missing effectively the last 3 weeks of the season?

12:06
Avatar Jay Jaffe: I address that in the piece. While we’ve seen a handful of players win while toiling for sub-.500 teams, and win while playing in 140 or fewer games in a 162-game schedule, we’ve never seen anybody who’s at the intersection of that Venn diagram. Alex Bregman is closing in on Trout, and while he won’t overtake him, I can see the strong possibility of voters screwing the best player on Planet Earth yet again. Brace yourselves.

12:06
stever20: How crazy is it that in the last 3 years Trout has missed now 98 games.  Costing him 30 homers and 106 hits based on what he’s done in those 3 years on average.  How worried are you that he’s gonig to turn into this generations Ken Griffey Jr.?

Read the rest of this entry »


Mike Trout’s Season is Over, Which Completely Sucks

The transition from the regular season to the playoffs inevitably leaves us with a stripped-down cast of the game’s best players, but this is getting ridiculous. After a week in which NL MVP candidate Christian Yelich was lost for the year with a fractured kneecap, Javier Báez was ruled out for the remainder of the regular season due to a fractured left thumb, and both Byron Buxton and Shohei Ohtani elected to undergo season-ending surgeries, we’ve now lost Mike Trout as well. The best baseball player on planet Earth will undergo surgery on his right foot later this week, according to the Angels, bringing to a premature end yet another remarkable season.

Trout had not played since making a pinch-hitting appearance on September 7, a day after he took an early exit from a game due to what was termed “right toe discomfort.” Two days later, he underwent a cryoablation procedure (the insertion of hollow needles filled with cooled, thermally conductive fluids) to alleviate a Morton’s neuroma, an inflamed nerve located between the bones at the ball of the foot. The condition is more common among women than men because of the way high heels put pressure on the toes or the ball of the foot, but any kind of repetitive, high-impact activity can cause it, particularly when tight shoes are involved.

Trout had been dealing with pain in the foot for nearly a month, according to the Los Angeles Times’ Maria Torres. Said the 28-year-old center fielder after the cryoablation, “Once it flares up, it doesn’t go away. It calms down at night and when you do baseball activity, it flares up again… This procedure today, they say it helps it.”

Read the rest of this entry »


Luis Castillo’s Increasingly Lethal Changeup

Two weeks ago, Jay Jaffe ranked Luis Castillo fifth on his list of this season’s most improved pitchers, noting in the process Castillo’s ability to carry high strikeout rates (28.9%; eighth among NL starters) and groundball rates (55.3%; second) at the same time, thereby avoiding to some degree the harshest consequences of the major leagues’ home run boom. In this, Castillo’s third major league season, the 26-year-old Dominican has posted career-best marks in innings pitched (178 2/3), FIP (3.63), HR/9 (1.01) and the aforementioned strikeout rate. Last week, I caught up with him about the pitch he thinks has been key to his success: the changeup.

When Castillo made his debut for Cincinnati back in 2017, he threw his changeup 87-88 mph with modest break down and away to lefties and middle-in to righties. Eric Longenhagen, in ranking Castillo 10th in the Reds’ system coming into the 2017 season, rated the pitch a “below average” 40/45 but noted that it could improve with repetition, given Castillo’s arm speed and underlying talent. Each year since then has seen Castillo use the pitch more often than the season before:

Castillo & Change
Year CH% wCH/100
2017 22.7% 3.04
2018 26.4% 1.23
2019 32.5% 2.91

Apparently the repetition has helped. In its present form, Castillo’s changeup — now with an inch more bite on each axis, thanks to mechanical changes between 2017 and 2018, while still sitting at 87-88 mph — ranks behind only Brad Keller’s as the most valuable pitch of its kind in the game (as measured by linear weights). And it’s gone a long way towards correcting one of Castillo’s obvious weaknesses coming into the season: an inability to put away left-handed hitters with anything near the same effectiveness he’s always displayed when dispatching righties (lefties put up a .373 wOBA against him last year, compared to a .256 from righties). Read the rest of this entry »


Is There a Good Time to Face the Dodgers in October?

In the midst of what will go down as a disappointing season for the Phillies, an interesting detail about the front office’s thinking appeared. This morsel snuck into a Ken Rosenthal article: “…once the Phillies began to slump, their front office’s thinking was, ‘We don’t want to go all-out for the chance to play in the wild-card game and then face the Dodgers in the Division Series.’”

There are separate discussions to be had about whether that’s a defeatist attitude, or even whether the Phillies could have done more at the deadline. That’s for someone else to decide, though. What this statement got me, among others, wondering was: wait, would you actually rather play the Dodgers in a seven-game series than a five-game one? No one would argue that the Phillies are as good as the Dodgers — they’d clearly be underdogs no matter what. But does the extra chance of avoiding the juggernaut make up for the fact that you’re more likely to win in a shorter series?

To investigate this problem, I worked out a simplistic playoff win probability model. For each team, I took their projected rest-of-season runs scored. Then I projected a playoff rotation and how many innings each pitcher would pitch per game. Using those starters’ projected runs allowed per inning and adding in the projected runs allowed per inning by the bullpen (an admittedly inexact science that involves stripping out starters’ projections from the team’s total runs allowed projections), I was able to produce a runs allowed forecast for each starter on each team. Let’s take a look at the Phillies, for example:

Runs Scored and Allowed by Starter
Pitcher IP/Start Team Runs Allowed Team Runs Scored
Aaron Nola 6.33 4.58 4.98
Vince Velasquez 5.33 5.11 4.98
Drew Smyly 5.67 5.24 4.98
Zach Eflin 6 5.4 4.98

Read the rest of this entry »


Job Posting: Braves R&D Trainee Positions

Please note, this posting contains two positions.

Position: Atlanta Braves R&D Developer Trainee

Location: Atlanta, GA

Description:

The R&D Developer Trainee position emphasizes software and web development as it relates to the Baseball Operations department. The trainee’s main responsibilities will be to assist the R&D department with building proprietary applications for displaying baseball information and visualizations, maintaining existing information management systems, and developing additional productivity tools to aid in Baseball Operations decision making. Candidates must have proven experience with application and/or web development, with interest in baseball and sports analytics research as a strong plus. The position will report to Assistant General Manager, Research and Development.

Note: Applicants for full-season R&D Developer Trainee positions (Jan-Nov), and summer R&D Developer Intern positions (May-Aug) will be considered.

Responsibilities:

  • Assist in the development and maintenance of all proprietary software used within the Baseball Operations department.
  • Work with department stakeholders to develop, deploy and test applications within IT best practice parameters.
  • Build relationships, communicate effectively, and gather feedback from Baseball Operations staff to build new platforms and improve existing systems.
  • Perform other duties as assigned.

Required Qualifications:

  • Past or expected BA or BS in Computer Science, Computer Engineering, or related technical field of study or equivalent work experience.
  • Demonstrated software development experience in one or more programming languages: Java, .NET, Python, JavaScript, C#, C/C++.
  • Familiarity with database technologies and SQL. Microsoft SQL Server experience is a plus.
  • Familiarity with using version control such as git.
  • Ability to learn new technologies, including new coding languages.
  • Strong work ethic, initiative, and the ability to solve technical problems.
  • Ability to work flexible hours, including some nights and weekends as dictated by the Major League season.
  • Must complete a successful background check.

Preferred Qualifications:

  • Knowledge of current baseball statistics and analytics used in player evaluation a plus
  • Experience with data visualization a plus.
  • Solid fundamentals with HTML/CSS.
  • Web development experience, especially with JavaScript (Node.js, Vue.js), or Python (Flask)
  • Experience with big data techniques
  • Demonstrated software development work product.

To Apply:
If you are interested, please email your resume and any other materials to bravesrdpositions@gmail.com.

Position: Atlanta Braves R&D Analyst Trainee

Location: Atlanta, GA

Description:
The R&D Analyst Trainee will assist Baseball Operations decision-making through the analysis and research of baseball information. The day-to-day responsibilities of this position will revolve around using data analysis to provide insight into player evaluation, performance projection, roster construction, and all other facets of baseball operations decision making, with emphasis on different sub-departments depending on the baseball calendar and needs of the department. The position will report to Assistant General Manager, Research and Development.

Note: Applicants for full-season R&D Analyst Trainee (Jan-Nov), and summer R&D Analyst Intern (May-Aug) positions will be considered.

Responsibilities:

  • Perform advanced statistical analysis on large datasets in order to assist in the decision-making of the Baseball Operations department.
  • Develop software, databases, models, applications, reports, and other information systems to increase efficiency of the Baseball Operations department.
  • Perform ad-hoc research projects as requested and present results in a concise manner.

Required Qualifications:

  • Strong foundation in the application of statistical concepts to baseball data, including familiarity with current state of baseball research.
  • Experience with SQL and relational databases.
  • Experience with statistical modeling software (R or Python preferred).
  • Ability to communicate concepts to individuals with diverse baseball backgrounds, including coaches, scouts and executives.
  • Ability to work flexible hours, including some nights and weekends as dictated by the Major League season.
  • Must complete a successful background check.

Preferred Qualifications:

  • Extensive experience with statistical modeling and prediction techniques, including regression, classification, and machine learning.
  • Web development experience, especially with JavaScript, Vue JS, or Python Flask.
  • Experience with at least one scripting language (e.g. Python, Ruby, Perl).
  • Experience with big data techniques a plus
  • Demonstrated baseball or other sports analytics research work product.
  • Ability and desire to learn other programming languages as needed.

To Apply:
If you are interested, please email your resume and any other materials to bravesrdpositions@gmail.com.

The content in this posting was created and provided solely by the Atlanta Braves.


Sunday Notes: Tigers First-Rounder Riley Greene Does What Comes Naturally

Hitting a baseball comes naturally to Riley Greene. That’s not to say the fifth-overall pick in this year’s draft doesn’t work on his craft — he does— but at the same time he likes to keep any tinkering to a minimum. As the saying goes, “If it ain’t broke, don’t fix it.” Prior to the Detroit Tigers’ calling his name on June 3, Greene had been labeled “the best pure hitter in the prep class” by Baseball America.

He hit the road running in pro ball. Greene scorched the Gulf Coast League to the tune of a 1.039 OPS in nine games, quickly earning a promotion to short-season Connecticut. While not nearly as prolific against New York-Penn League pitching — a .766 OPS in 24 games — he did show enough to get moved up to low-A West Michigan in early August. Playing against much-older competition in the Midwest League, Greene slashed .219/.278/.344 in 118 plate appearances.

When I talked to the 18-year-old Oviedo, Florida native in mid-August, he made it clear that his swing is already well-established.

“My dad has been doing baseball and softball lessons for 24 or 25 years, and he taught me to hit,” said Greene. “Growing up, most of my coaches never touched my swing. It was just my dad. He’s a simple A-to-B guy, not much movement, and that’s how I try to be.”

Greene told me his front foot is his timing mechanism, and that his setup at the plate has remained essentially the same. He “might be an inch taller with his body,” but that’s a matter of feel and comfort, not because of a calculated adjustment. He’ll maybe spread out at times, but “only by a centimeter or two.” Read the rest of this entry »


Effectively Wild Episode 1430: To Win or Not to Win

EWFI
Ben Lindbergh and Meg Rowley banter about Kyle Lewis’s debut, Rich Hill’s brief return, Daniel Palka’s second hit of the season, the Braves and Dallas Keuchel, and the Diamondbacks’ Brewers-style rebuild, then (18:13) talk to Will Leitch about what (if anything) Dave Dombrowski’s firing says about MLB teams’ competitive priorities, how the Cardinals (and Jack Flaherty) became the NL’s most successful second-half squad, and the NL Central and NL wild card races.

Audio intro: The Resonars, "Attention Here"
Audio interstitial: Supertramp, "The Meaning"
Audio outro: The Mountain Goats, "Bluejays and Cardinals"

Link to Tony Wolfe on Keuchel
Link to Ben Clemens on the Diamondbacks
Link to Will’s Dombrowski column
Link to Rob Arthur on Dombrowski
Link to Evan Drellich on Dombrowski
Link to Peter Gammons on Dombrowski
Link to Zach Kram on Flaherty
Link to Andrew Simon on Flaherty
Link to Craig on the Cardinals’ defense
Link to Will’s Cardinals podcast
Link to Will’s newsletter
Link to order The MVP Machine

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Sandy Alcantara Sinks His Way to Success

There hasn’t been much to celebrate this year in Miami, but the Marlins starting rotation has been a source of a few positive developments. Caleb Smith and Pablo López started off the season strong but faded in the second half. Zac Gallen and Jordan Yamamoto both made their major league debuts, and while Gallen was shipped out at the trade deadline, Yamamoto has shown some promise as a 23-year-old rookie. But the most exciting progress has come from Sandy Alcantara.

On the surface, Alcantara’s stat line doesn’t look that impressive. His park and league adjusted FIP sits just seven percent above league average but that’s more due to some luck in keeping the ball in the ballpark. His 18% strikeout rate is one of the worst in the majors among qualified starters despite a fastball that sits in the mid-90s. The biggest question mark attached to him as a prospect was his command of his repertoire. In his 42 major league innings prior to this year, he ran a walk rate above 15%. He’s managed to drop that down to 10.7% this year, but that’s still one of the worst walk rates in the majors.

The fourth ranked prospect in the Marlins organization and 127th overall at the start of the season, there were plenty of doubts that Alcantara could stick in a major league rotation as he developed. He’s likely going to make 30 starts this year, which has to be seen as a success for the Marlins player development group, shoddy peripherals be damned. But since the start of August, Alcantara has shown flashes of brilliance, giving Marlins fans another starting pitcher to dream on for next season.

In his seven starts since the end of July, Alcantara has posted a park and league adjusted FIP 19% better than league average. More importantly, his strikeout rate has jumped up to 22.3%, a nearly six point improvement from where it sat after the first four months of the season. The highlight of this stretch came in his last start at home against the Royals. He threw a complete game, holding Kansas City scoreless while allowing just six base runners and striking out eight. That was actually the second complete game shutout he’s thrown this year, his first coming back in May against the Mets. Read the rest of this entry »


It Sure Seems Like Dallas Keuchel Was Worth The Investment

Dallas Keuchel wasn’t supposed to still be on the market when the Winter Meetings commenced in December. He certainly wasn’t supposed to still be there as the calendar turned to 2019, and it was completely unthinkable that he would still be available at the start of Spring Training. It is only through the dark alchemy of a ghoulish lack of shame and self-awareness on the part of team owners mixing with Keuchel’s demands that he was still available after the conclusion of the Amateur Player Draft, but there he was, still waiting for a phone call from his agent, telling him a professional baseball franchise had made him a reasonable contract offer. That call finally came on June 7, when the Atlanta Braves signed Keuchel to a one-year, $13-million deal, which by that point was more of a three-and-a-half-month deal. At the very start of the free agency period, Kiley McDaniel predicted Keuchel would receive four years and $84 million on the open market. Instead, he couldn’t even secure a multi-year commitment.

Keuchel wasn’t the only player who endured this kind of unexpected wait. Former Red Sox closer Craig Kimbrel signed just one day before Keuchel, inking a three-year deal with the Chicago Cubs. Kimbrel’s season has been a disaster so far, with the 31-year-old holding a 5.68 ERA and 6.63 FIP in 19 innings. Keuchel, on the other hand, hardly missed a beat. In 16 starts after getting a late start in Atlanta, Keuchel owns an ERA of 3.35, with a FIP of 4.39 and an xFIP of 3.87. He leads the majors with a 61.5% groundball rate (min. 90 IP), with second-place Dakota Hudson well behind him at 57.2%. Of those 16 starts, 13 have ended with Keuchel surrendering three earned runs or fewer. He was pretty reliable in his first few games of the season, but after a brief blow-up in Miami of all places, he’s been totally lights-out.

In a 3.2-inning appearance against the Marlins on August 8, Keuchel allowed eight runs on 10 hits, including three homers. His ERA jumped from 3.86 to 4.83 that evening, and at the time, it seemed like it might be a sign of real danger for the 31-year-old southpaw and the rest of the Braves’ pitching staff. While his ERA had been fairly solid coming into that appearance, his 4.74 FIP was still a distressing reminder of the kind of pitcher Keuchel was, and the risk he poses. He wasn’t missing a lot of bats, with his K/9 sitting at just 6.75. Meanwhile, he had a BB/9 above 3.0 for what would have been the first time since 2012, and he was allowing a career-high HR/FB rate of 24%. Keuchel has consistently overcome low strikeout totals throughout his career thanks to excellent command, but suddenly, he was throwing strikes much less often than he used to (32% zone rate in 2019 vs. 38.6% for his career), and he was much easier to leave the yard against, even if the juiced ball has made preventing homers more difficult for everybody. That night in Miami could have altered Keuchel’s entire season, and damaged his future earning potential even further.

But that isn’t what happened. Keuchel has bounced back from getting torched in Miami to post his most dominant six-game run in years. Read the rest of this entry »


Team Entropy 2019: Hanging In There

This is the second installment of this year’s Team Entropy series, my recurring look not only at the races for the remaining playoff spots but the potential for end-of-season chaos in the form of down-to-the-wire suspense and even tiebreakers. Ideally, we want more ties than the men’s department at Macy’s. If you’re new to this, please read the introduction here.

It’s been 12 days since I launched this year’s Team Entropy series, and I’m happy to report that for connoisseurs of chaos, the news is generally good, at least when it comes to the Wild Card races. The division races… eh, we’ve seen some tightening in both Centrals, but of greater significance are the pages torn off the calendar; there are but 16 days remaining in the regular season.

The Dodgers became the first team to clinch a division title this year, claiming their seventh straight NL flag on Tuesday, September 10. No other clinching is imminent, but by coincidence, the magic numbers for both East division leaders (the Yankees and Braves) and that of the AL West (the Astros) all stood at eight entering Thursday; the Yankees, with the sweep of their doubleheader against the Tigers and the Rays’ loss to the Rangers, cut theirs to five, though the other two remain at eight. It’s only a matter of time for them; there’s no reason to hold your breath in those races.

In the AL Central, the Twins — who since my last installment have lost both Michael Pineda and Byron Buxton for the season, the former to a drug suspension and the latter to shoulder surgery — have lost ground since the previous check-in. At 89-57, they now lead the Indians (86-61) by just 3 1/2 games, but with the shrinking schedule, their odds have only dropped by 0.6%, to 93.8%. The two teams face off for a three-game series this weekend in Cleveland, their last head-to-head matchup. The Indians lead the season series 9-7, and realistically probably need to sweep to keep things interesting given that they have the harder remaining schedule of the two (.487 vs. .443).

As for the NL Central, the Cardinals (82-64) have a four-game lead over both the Cubs and Brewers (78-68), each of whom has recently lost a key player for at least the remainder of the regular season, namely Javier Báez (fractured thumb) and Christian Yelich (fractured kneecap). Since reaching their season high-water mark in terms of leading the division (3 1/2 games on August 8), the Cubs are just 15-16, while the Cardinals are an NL-best 24-9 and the Brewers 18-12; the latter has won seven in a row despite the loss of the reigning NL MVP and a few other players. Since the previous Team Entropy installment, St. Louis’ odds to win the division have jumped a honkin’ 12.3%, to 76.7%, with the Cubs’ odds more than cut in half to 16.3% and the Brewers’ odds now visible to the naked eye at 7.0%. The Redbirds host the Brew Crew this weekend, and with a 9-7 series lead, need just one more win to clinch the upper hand. The odds of a season-ending tie atop the division, which would require a tiebreaker game, are at 10.1%, 0.4% higher than when we last checked in. Read the rest of this entry »