The 2019 Arizona Fall League rosters were (mostly) announced today, and we’ve created a tab on THE BOARD where you can see all the prospects headed for extra reps in the desert. These are not comprehensive Fall League rosters — you can find those on the AFL team pages — but a compilation of names of players who are already on team pages on THE BOARD. The default view of the page has players hard-ranked through the 40+ FV tier. The 40s and below are then ordered by position, with pitchers in each tier listed from most likely to least likely to start. In the 40 FV tier, everyone south of Alex Lange is already a reliever.

Many participating players, especially pitchers, have yet to be announced. As applicable prospects are added to rosters in the coming weeks, I’ll add them to the Fall League tab and tweet an update from the FanGraphs Prospects Twitter account. Additionally, this tab will be live throughout the Fall League and subject to changes (new tool grades, updated scouting reports, new video, etc.) that will be relevant for this offseason’s team prospect lists. We plan on shutting down player/list updates around the time minor league playoffs are complete (which is very soon) until we begin to publish 2020 team-by-team prospect lists, but the Fall League tab will be an exception. If a player currently on the list looks appreciably different to me in the AFL, I’ll update their scouting record on that tab, and I may add players I think we’re light on as I see them. Again, updates will be posted on the FanGraphs Prospects Twitter account, and I’ll also compile those changes in a weekly rundown similar to those we ran on Fridays during the summer.

Anything you’d want to know about individual players in this year’s crop of Fall Leaguers can probably be found over on THE BOARD right now. Below are some roster highlights as well as my thoughts on who might fill out the roster ranks.

Glendale Desert Dogs
The White Sox have an unannounced outfield spot on the roster that I think may eventually be used on OF Micker Adolfo, who played rehab games in Arizona late in the summer. He’s on his way back from multiple elbow surgeries. Rehabbing double Achilles rupturee Jake Burger is age-appropriate for the Fall League, but GM Rick Hahn mentioned in July that Burger might go to instructs instead. Sox instructs runs from September 21 to October 5, so perhaps he’ll be a mid-AFL add if that goes well and they want to get him more at-bats, even just as a DH. Non-BOARD prospects to watch on this roster include Reds righties Diomar Lopez (potential reliever, up to 95) and Jordan Johnson, who briefly looked like a No. 4 or 5 starter type during his tenure with San Francisco, but has been hurt a lot since, as have Brewers lefties Nathan Kirby (Thoracic Outlet Syndrome) and Quintin Torres-Costa (Tommy John). Dodgers righty Marshall Kasowski has long posted strong strikeout rates, but the eyeball scouts think he’s on the 40-man fringe. Read the rest of this entry »

Every year, hapless hitters with premium arm strength get moved to minor league mounds. With the help of Sean Dolinar, who combed the last few years of stats to scrounge up a more comprehensive list of converts than I was otherwise able to remember off the top of my head, I assembled the list below of former position players who are now prospects of note as hurlers. This is not a comprehensive survey of every recent conversion arm in the minors. Instead, these are the pitchers I think are interesting enough to include on an offseason list in some capacity.

Conversion arms who pan out typically put it together quickly. For example, it only took Kenley Jansen about a year after he first toed an affiliate’s rubber to reach Dodger Stadium. He likely threw during 2009 Extended Spring Training, then spent the back half of the summer at Hi-A before making a Fall League appearance. He breezed through Hi- and Double-A the following year, and was in Los Angeles by late July of 2010. Jason Motte started his conversion in 2006 and got his first big league cup of coffee in September of 2008. Joe Nathan’s first pro innings came in 1997; he was first called up to the majors early in 1999. Sean Doolittle threw just 26 minor league innings before the A’s brought him up. (Conversely, Alexi Ogando and Carlos Marmol each took about three years after moving moundward to become big leaguers.)

Who in the minors might be next to have impact, big or small, on a big league pitching staff? Here are some candidates. All of the 35+ FV and above players are now on THE BOARD, if they weren’t already.
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We have a sizable collection of players to talk about this week because the two of us have been busy wrapping up our summer looks at the 2020 Draft class over the last couple weeks. This equates to every prospect added to or moved on THE BOARD since the Trade Deadline.

Top 100 Changes
We had two players enter the 50 FV tier in Diamondbacks SS Geraldo Perdomo and Padres C Luis Campusano. Perdomo is in the “Advanced Baseball Skills” player bucket with players like Vidal Brujan, Brayan Rocchio and Xavier Edwards. He’s added visible power since first arriving in the States and had as many walks as strikeouts at Low-A before he was promoted to the Cal League, which has been Campusano’s stomping ground all summer. He’s still not a great catcher but he does have an impact arm, big power, and he’s a good enough athlete that we’re optimistic he’ll both catch and make the necessary adjustments to get to his power in games down the line.

We also moved a D-back and a Padre down in RHP Taylor Widener and 1B Tirso Ornelas. Widener has been very homer prone at Triple-A a year after leading the minors in K’s. His fastball has natural cut rather than ride and while we still like him as a rotation piece, there’s a chance he continues to be very susceptible to the long ball. Ornelas has dealt with injury and swing issues.

On Aristides Aquino
Aristides Aquino was a 50 FV on the 2017 Reds list; at the time, he was a traditional right field profile with big power undermined by the strikeout issues that would eventually cause his performance to tank so badly that he became a minor league free agent. A swing change visually similar to the one Justin Turner made before his breakout (Reds hitting coach Turner Ward comes from the Dodgers) is evident here, so we’re cautiously optimistic Aquino will be a productive role player, but we don’t think he’ll keep up a star’s pace. Read the rest of this entry »

Corbin Martin has had an eventful summer. The 23-year-old right-hander made his MLB debut in mid May, underwent Tommy John surgery in early July, and four days ago he was traded to the Arizona Diamondbacks as part of the blockbuster Zack Greinke deal. Martin came into the season ranked No. 3 on our Houston Astros Top Prospects list.

He didn’t follow a traditional path to the big leagues. Primarily a centerfielder as a Cypress, Texas prep, he didn’t begin pitching in earnest until his second collegiate season. Moreover, he cemented his conversion under the midnight sun, 4,000-plus miles from home.

“When I got to [Texas] A&M, they were like, ‘Hey, we know you pitched a little in high school; do you want to try it out?,’” Martin told me prior to the second of his five big-league starts. “I was like, ‘Sure.’ At first I was kind of frustrated, because I like hitting, but I ended up running away with it.”

Baseball is said to be a marathon, not a sprint, and immediate success wasn’t in the cards. Martin pitched just 18 innings as a freshman, then struggled to the tune of a 5.47 ERA as a sophomore. It wasn’t until his junior year, which was preceded by a breakout summer in the Cape Cod League, that “all the pieces finally came together.”

An earlier summer-ball stint was arguably a more important stepping stone. Read the rest of this entry »

The 2019 trade deadline has passed and, with it, dozens of prospects have begun a new journey toward the major leagues with a different organization. We have all of the prospects who have been traded since the Nick Solak/Peter Fairbanks deal ranked below, with brief scouting snippets for each of them. Most of the deals these prospects were a part of were analyzed at length on this site. Those pieces can be found here, or by clicking the hyperlink in the “From” column below. We’ve moved all of the players below to their new orgs over on THE BOARD, so you can see where they rank among their new teammates; our farm rankings, which now update live, also reflect these changes, so you can see where teams’ systems stack up post-deadline. Thanks to the scouts, analysts, and executives who helped us compile notes on players we didn’t know about.
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As soon as I finish this piece, I’m going to get ice cream. There’s a soft serve frozen yogurt place owned by a surprisingly fastidious stoner about a mile from my house, and I go there once or twice a week. If I told you there are 10 rotating flavors, with chocolate and vanilla as constants, how long do you think it would take you to learn what I like by watching me fill my bowl (there are all sorts of bowl-packing jokes on the store’s signage)? How many times would I need to go in there and pull that soft serve lever before you’d know that vanilla is actually pretty high on my pref list, and that only a few things, like coconut or coffee, will pull me away from it? Or that I avoid all of the fruit flavors?

How long before we can start to identify team regime patterns in player acquisition, and start talking about team preferences with confidence, the way we do when we say that progressive clubs look for common arm slots and hand positions, or fastballs that spin? The current Marlins regime has basically now been in place since the fall of 2017, when Gary Denbo was brought in as Vice President of Scouting and Development. Miami has made a lot of seller’s trades during that year and a half, and they clearly have a type, especially when you look at their amateur acquisitions. Yesterday, that type came further into focus after a deadline deal with the Arizona Diamondbacks. Here’s the trade:

Marlins get:
SS Jazz Chisholm

Diamondbacks get:
RHP Zac Gallen

Read the rest of this entry »

The Houston Astros needed starting pitcher help and they got it in dramatic fashion, picking up Zack Greinke from the Arizona Diamondbacks in return for pitchers J.B. Bukauskas and Corbin Martin, first baseman Seth Beer, and jack-of-all-trades Josh Rojas.

A couple of years ago, I became increasingly concerned about the continued decline in Zack Greinke’s velocity. It used to be that every spring training, Greinke would throw 86 mph and everyone would panic, and then the velocity would eventually come back. In 2018 that didn’t happen, yet Greinke’s shown every sign the last two seasons that he can navigate what could very well have been a late-career crisis, with the barest of speed bumps.

The major reason for Greinke’s survival is his multi-flavor curveball, a pitch he can throw anywhere from 66 to 74 mph and anywhere in the strike zone. The speed differences result in the pitch ranging from a traditional, looping curve to an almost full-on, Rip Sewell eephus pitch.

Just how good is his curveball? In 2017, by our pitch data, Greinke had his best-ever season with the curve, at 7.2 runs better than league average. Last year, that improved to +10.6 runs. This year, with a third of the season to go, Greinke stands at +16.4, second in baseball to Charlie Morton. At the pace he’s on, +24.6 by season’s end would put him fifth in the 18 years for which we have this data, behind only 2017 Corey Kluber, Morton, 2007 Erik Bedard, and 2003 Roy Halladay. Here is Greinke throwing his curve to Vladimir Guerrero Jr. on June 8:

Oh my.

Read the rest of this entry »

Just moments before trading away Zack Greinke in the blockbuster move of deadline day, the Arizona Diamondbacks made an addition to their rotation, acquiring Mike Leake from the Seattle Mariners. It is the second time Leake has been traded since he signed a five-year, $80-million contract with the St. Louis Cardinals before the 2016 season, and the third time overall that he has been traded in-season. According to arizonasports.com’s John Gambadoro, the D-Backs will be responsible for just $6 million of the roughly $20 million still owed to Leake on his contract. The Mariners received 22-year-old infielder Jose Caballero in the deal.

Leake, 31, has been good for about league-average production and a lot of innings eaten throughout his career, and the same remains true for his 2019 season. With a 4.40 ERA in 22 starts, his ERA- sits at 101, which just so happens to line up perfectly with his career mark. His FIP, however, has jumped to 4.74, thanks to a career-worst HR/9 mark of 1.71.

The Leake deal was one of several the Diamondbacks made on Wednesday, though it was the only one that involved the organization actually taking on an established big leaguer. Greinke — along with $24 million of the $77 million owed to him on his contract — was sent to Houston in exchange for a mighty haul of prospects just before 4 p.m. On a much smaller scale, Arizona also traded backup catcher John Ryan Murphy to the Atlanta Braves, and in a rare flip of notable prospects, sent shortstop Jazz Chisholm — ranked the D-backs’ No. 1 prospect by Eric Longenhagen and Kiley McDaniel — to the Miami Marlins for right-handed pitching prospect Zac Gallen. Arizona was heavily rumored to be shopping left-handed starter Robbie Ray throughout the week, but no deal ever came to fruition. Read the rest of this entry »

A glimpse at Robbie Ray might look like an ace at work. Four times this season, Ray has struck out at least 10 batters while walking one hitter or fewer. Only Gerrit Cole, Chris Sale, and Max Scherzer have more matching games. Since the beginning of the 2016 season, Ray has struck out 31% of batters faced; among the 183 starters with at least 200 innings, only Scherzer and Sale have higher strikeout rates. The strikeouts are great, but Ray’s walk rates and inability to pitch deep into games has long held him back. While he has continued to work to get better, the changes have continued to lead Ray back to being the generally above-average pitcher he’s always been.

Ray’s first full season with the Diamondbacks in 2015 was a solid one, with a 22% strikeout rate, a 9% walk rate, and an ERA and FIP both in the mid-threes, about 10% better than average. Ray tried to get better by changing his delivery slightly, as he told David Laurila in 2016, and become a “strikeout madman”, as August Fagerstrom detailed. His strikeouts went way up, but so did his homers, though his 3.76 FIP was again about 10% better than average. Some bad luck on balls in play meant an ugly 4.90 ERA and the questions began about Ray’s ability to pitch deep into games and limit hard contact.

In 2017, Ray ditched his changeup as well as his sinker and used his curve much more, as Eno Sarris wrote at the beginning of the season. Ray increased his strikeout rate even more, though his walk rate climbed a bit as well and he still gave up his fair share of homers on the way to a 3.72 FIP that was 15% better than league average. It was Ray’s best season and whatever bad luck he had from 2016 turned itself around in 2017, to the tune of a 2.89 ERA and a handful of down-ballot Cy Young votes. Last year was a disappointing one, as Ray missed two months with an oblique injury and posted his first below-average FIP in Arizona. His walk rate surged, though after a rough start to open the second half, he closed the season well with a 3.78 FIP that was about 10% better than average and a 2.83 ERA thanks to a very low BABIP. Read the rest of this entry »

Below are some changes we made to The BOARD in the past week, with our reasons for doing so. All hail the BOARD.

Moved Up

Ronny Mauricio, SS, New York Mets:
We got some immediate feedback on Monday’s sweeping update, which included more industry interest in Mauricio. The average major league swinging strike rate is 11%. Mauricio has a 12% swinging strike rate, and is a switch-hitting, 6-foot-4 teenager facing full-season pitching. It’s common for lanky teenagers to struggle with contact as they grow into their frames, but Mauricio hasn’t had that issue so far.

Oneil Cruz, SS, Pittsburgh Pirates:
One of us was sent Cruz’s minor league exit velocities and they’re shockingly close to what Yordan Alvarez’s have been in the big leagues. Of course, there remains great uncertainty about where Cruz will end up on defense, and hitters this size (Cruz is listed at 6-foot-7) are swing and miss risks, but this is a freakish, elite power-hitting talent.

Marco Luciano, SS, San Francisco Giants:
This guy has No. 1 overall prospect potential as a shortstop with 70 or better raw power. He belongs up near Bobby Witt, who is older but might also be a plus shortstop while we’re still not sure if Luciano will stay there.

George Valera, OF, Cleveland Indians:
Valera is torching the Penn League at 18 and a half years old, and we’re not sure any high school hitter in this year’s draft class would be able to do it. His defensive instincts give him a shot to stay in center field despite middling raw speed, and his swing should allow him to get to all of his raw power, so it becomes less important that his body is projectable. He would have been fifth on our 2019 draft board were he playing at a high school somewhere in the U.S., so he’s now slotted in the between JJ Bleday and C.J. Abrams on our overall list. Read the rest of this entry »