You sure wouldn’t think there would be anything wrong with the Diamondbacks. They currently have the best record in the National League by multiple games, and even after a loss on Wednesday, there’s an eight-game gap between them and the Dodgers with almost a quarter of the season already gone. They survived the absence of Steven Souza Jr. They’re actively surviving the absence of Jake Lamb. They’ll try to continue to survive the absence of Taijuan Walker. No team ever stays totally healthy.

And one of the big early stories has been the breakthrough by Patrick Corbin. After eight starts, Corbin owns a 2.12 ERA, with an easy career-high rate of strikeouts. The biggest change for Corbin has been an increased reliance on his best pitch — his slider. He’s now throwing the pitch at multiple speeds, sort of going the way of Rich Hill or Lance McCullers. Corbin is setting himself up for an offseason payday. And on the surface, he’s cruising, having allowed just two runs over his last two starts.

Yet something underneath is incredibly worrisome. Something fundamental to the very idea of pitching. Corbin has suddenly lost his zip. No one would do that on purpose.

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In 2015, A.J. Pollock posted the sixth-best WAR in baseball. The Arizona Diamondbacks center fielder put up 6.8 WAR — a total that trailed only Bryce Harper, Mike Trout, Josh Donaldson, Joey Votto, and Paul Goldschmidt. The 27-year-old hit 20 homers, stole 39 bases in 46 tries, rarely struck out, and complemented all that with good defense for a great season.

A fractured right elbow right at the start of the 2016 season robbed Pollock of a chance at a repeat, and last year he turned in a diminished version of his 2015 season while missing time due to a groin strain. Last year might have put to rest any ideas that the Pollock of old would return. The 2015 Pollock hasn’t returned this season, either. Rather, we’ve seen a new-and-improved Pollock who could be better than the burgeoning star we thought we had three years ago.

Through 33 games, Pollock already has 10 home runs, three triples, and nine doubles, his 22 extra-base hits tied with Mike Trout and behind only Mookie Betts and Ozzie Albies. Pollock’s .306/.362/.669 line produces a 173 wRC+ that ranks fifth in the sport, with his 2.1 WAR coming in behind only Trout, Betts, and Didi Gregorius. He’s on his way to a great year, and through the first 33 games of the season, he’s hit better than he ever has. The graph below shows Pollock’s 33-game rolling average of his wRC+ over his career.

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Last week, the bell tolled for the 2018 season of the Diamondbacks’ Taijuan Walker. The week before that, it tolled for the Padres’ Dinelson Lamet, and before him, the Angels’ JC Ramirez and the A’s A.J. Puk. If it feels like March and April are particularly full of Tommy John surgery casualties, that’s because they are, at least when it comes to recent history. In early March, just after Rays righty Jose De Leon discovered that he had torn his ulnar collateral ligament, I noted some recent trends regarding everyone’s favorite (?) reconstructive elbow procedure, including the extent to which those early-season injuries are rather predictive of the season-long trend. With April now in the books, and with my nose still in Jon Roegele’s Tommy John Surgery Database, the situation is worth a closer look.

Via the data I published in the De Leon piece, just under 28% of all Tommy John surgeries done on major- or minor-league pitchers (not position players) from 2014-17 took place in March or April, with the figure varying only from 24.8 % to 30.0% in that span. Even expanding the scope to include February as well, which doesn’t increase the total number of surgeries by much but does capture significant ones such as that of Alex Reyes last year — gut punches that run counter to the optimism that reigns when pitchers and catchers report — the range is narrow, with 27.5% to 33.0% of pitcher surgeries taking place in that span.

After my piece was published, a reader pointed out that The Ringer’s Ben Lindbergh took an in-depth look at the phenomenon, but intuitively, it’s not hard to understand. Not only do pitchers’ activity levels ramp up dramatically once spring training begins, as they move from lighter offseason throwing programs to facing major-league hitters and therefore place far more stress on their arms, but many pitchers are finally forced to reckon with injuries that did not heal over the winter.

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The Diamondbacks are way out in first place in the National League West, and while the biggest story might arguably be the early struggles of the Dodgers, Arizona has issued an immediate reminder that last year this club just won 93 games. J.D. Martinez is gone, playing now in Boston. Steven Souza Jr. is on the disabled list. Jake Lamb is also on the disabled list. But the Diamondbacks have still thrived, not even needing that many surprises. Patrick Corbin is one — his development has been an encouraging turn. And then there’s the matter of the shortstop. The no-hit glove guy who had to fight for a job.

Before the year, for the Effectively Wild podcast, Ben Lindbergh and I ran our annual season-preview series. When it came time to talk about the Diamondbacks, we chatted with guest Nick Piecoro. Piecoro expressed what I found to be a surprising amount of optimism about Nick Ahmed. Ahmed had never before hit well in the majors, and his peripheral skills didn’t suggest a strong offensive foundation. How many no-hit shortstops figure it out at 28? Ahmed was never a threat. Suffice to say Piecoro caught me off guard.

And now here we are, and as early as it is, Ahmed owns a three-digit wRC+. By itself, that’s not much. Roughly half of all batters will have a three-digit wRC+. But you have to remember where Ahmed is coming from. You have to remember his record.

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Even at FanGraphs, I’m one of the last people you should ask about swagger. Among the few things I know about swagger, though, is that Jarrod Dyson has it. He plays his game with a particular flair, and it was on display earlier Thursday, when Dyson struck a pose after lifting his 14th career home run. You wouldn’t think that a hitter with Dyson’s profile would necessarily recognize a homer off the bat, but for a fleeting instant, as Dyson’s body twisted on its right heel, he looked like he’d done this a hundred other times.

Dyson knew it right away. Apparently, so did the catcher. The game was one of those miserable new Facebook broadcasts, so I can’t speak highly of the viewing experience, but as the feed rolled into a replay of the swing, one of the announcer’s voices cracked as he exclaimed, “He bunted last night! With the bases juiced!”

He wasn’t wrong, and if it weren’t for him, I wouldn’t have known. On Thursday, Jarrod Dyson went deep. On Wednesday, he dropped down a bases-loaded bunt. Both of these events are unusual, but I’d like to now focus on the latter.

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Position: Baseball Systems Developer

Location: Phoenix, AZ

Description
The purpose of this position is to play a significant role in designing and developing new functionality and maintaining existing applications within the Baseball Information Systems umbrella.

Primary (Essential) Duties

• Responsible for assisting with the design, development, and maintenance of new and existing functionality for the Baseball Information Systems.
• Work closely with Baseball Operations staff to create user-friendly tools to solve baseball needs and streamline processes
• Create testing plans and documentation for all new development
• Provide support and guidance to end users
• Other duties as assigned

Knowledge, Skills and/or Abilities

Some collection of the following:

• Spring Framework, jQuery, JavaScript, XML, CSS, HTML
• Eclipse, Maven, MyBatis
• JSON, REST and SOAP services
• API integration
• Strong knowledge of MS SQL databases (optimization and management skills are a plus)
• Experience with reporting and visualization tools (SSRS, SSAS, Tableau)
• .NET background a plus
• Familiarity with ETL concepts and design (Pentaho Kettle preferred)
• Analytical and problem-solving skills
• Ability to multi-task

Experience/Education Requirements

• Bachelor’s degree in Computer Science, Information Systems, or related field
• Five or more years of professional experience developing enterprise web applications in Java using Spring MVC

The Diamondbacks are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

To Apply
To apply, please visit this site.

Although the Diamondbacks lost to the Giants on Tuesday night, Paul Goldschmidt finally got on the board with his first home run and first multi-hit game of the season. Normally, that would barely be worth mention, but the 30-year-old five-time All-Star first baseman is off to the worst start of his eight-year career, producing a batting line that teammate Zack Greinke wouldn’t sign for — that, at a time when the Diamondbacks have been busy banking wins while the heavily favored Dodgers scuffle. And even then, amid the small samples that reign at this time of year, one typically Goldschmidt-esque night made his start look far less dire.

The Diamondbacks, who a year ago won 93 games as well as the NL Wild Card game, are now 8-3, leading the NL West by 2.5 games. As Jeff Sullivan pointed out, through Monday night, the Snakes, who were projected to finish 80-82 had improved their playoff odds more than any team besides the Mets.

What stands out most about the Diamondbacks’ start thus far is that it has had little to do with the success — or, more to the point, the lack of same — of what are generally viewed as their best players. Through Monday, the team’s 2017 leaders in position player WAR (Goldschmidt and Jake Lamb) and two of their top three in pitching WAR (Greinke and Robbie Ray) had combined to produce just 0.1 WAR. Meanwhile, the bulk of the heavy lifting… Well, let’s just pull back the curtain on Small Sample Theater:

Again, those stats are through Monday, not Tuesday, via which Goldschmidt raised his batting line to .158/.360/.316 for a 101 wRC+, still subpar but much less gawkworthy. Such substantive (positive) regression is the reason it’s dangerous to write about anything this early in the season — prior to his RBI triple on Monday, Goldschmidt’s wRC+ was an even more dismal 61 — and yet we forge ahead.

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Zack Godley threw 34 curveballs on Tuesday in a 96-pitch effort that saw him hold the Dodgers to four hits and one run over seven innings. The defending NL champs knew to expect a goodly amount of them. The Diamondbacks’ right-hander went to his signature offering 35.6% of the time last year, the second-most hook-heavy ratio among pitchers with at least 150 innings, behind only Drew Pomeranz’s 37%.

The results support the frequency of usage. Per our friends at Baseball Savant, opposing hitters went just 33 for 218 (.151), with a .248 SLG, against Godley’s bender in 2017. Deception was a big reason why. Everything Godley throws looks the same coming out his hand.

“Especially the curveball,” opined D-Backs catcher Jeff Mathis. “It’s coming out on the same plane. With a lot of guys, you’ll recognize curveball right away. With Zack, you’re not seeing any keys, any little tips, when the ball is being released. On top of that, he’s got good stuff.”

Arizona’s newest backstop had yet to catch Godley when I asked for his perspective, but he had good reason to concur with his colleague. Read the rest of this entry »

I know the Dodgers don’t have Justin Turner right now, and I know Justin Turner is one of the best pure hitters in baseball. As such, the Dodgers are playing at less than 100%, but that still doesn’t make them bad. It certainly shouldn’t make them as bad as Patrick Corbin made them look on Wednesday. Corbin was good for 7.1 scoreless innings, and he racked up a career-high 12 strikeouts. He also allowed only one hit, a blooper to shallow right field. Corbin actually managed to out-hit the Dodgers all by himself on the evening, knocking a single and a double. Corbin performed as well as he ever has, and the Diamondbacks stretched their early lead over the Dodgers to 3.5 games. Everything counts, no matter how early it is in the season.

It should come as no surprise that, on a day Corbin proved nearly unhittable, he made great use of his best pitch. Of Corbin’s 12 strikeouts, he picked up a career-high ten of them with his slider. Corbin has always had a terrific slider — it’s the pitch that’s allowed him to be a big-leaguer. But he might only now be fully embracing it. The Dodgers just saw the new Patrick Corbin, and he’s a pitcher who’s decided to pitch to his strengths.

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Pitchers learn and develop different pitches, and they do so at varying stages of their lives. It might be a curveball in high school, a cutter in college, or a slider in A-ball. Sometimes the addition or refinement is a natural progression — graduating from Pitching 101 to advanced course work — and often it’s a matter of necessity. In order to get hitters out as the quality of competition improves, a pitcher needs to optimize his repertoire.

In the second installment of this series — Part 1 can be found here — we’ll hear from three pitchers — Kyle Freeland, Jim Johnson, and Kris Medlen — on how they learned and/or developed a specific pitch.

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Kyle Freeland (Rockies) on His Changeup

“I never really threw a changeup in college. When I got into pro ball, that was our main focus to help me develop throughout the minors and get to this point. We had to find a grip that I was comfortable enough with to throw it in any count.

“It took some time. I probably went through half a dozen different grips before I finally found one that fits me, that works with my arm slot and my arm speed. It wasn’t until the end of last season that I finally found what I think works best. I had one that was working well for awhile, but it kind of tapered off. I wasn’t really comfortable throwing it off my ring finger and my pinky finger. Read the rest of this entry »