There was a fear back in 2014 and 2015 that professional baseball was merely experiencing the early stages of a Tommy John epidemic.

There were concerns that sports specialization, the focus on velocity over feel for the craft, was stressing arms even before they arrived in the majors. It seemed possible that rising league-average velocity marks — for which there’s now a new record set each year — were creating demands on pitchers’ elbows that their bodies couldn’t withstand.

Tommy John surgeries reached a record level in 2014, a level surpassed again in 2015. Velocity kept inching up. Pitchers with medical histories and red flags kept flowing into the game via the draft. Said Pirates GM Neal Huntington to this former newspaperman in 2014:

“They were blown away by the number of significant injuries high school and college pitchers had this year compared to three years ago, five years ago. The level of injuries is growing exponentially,” Huntington said. “We are just starting to get to the front edge of this (Tommy John surgery) wave. We might not even be through the worst of this yet.”

That was not an encouraging sentiment from someone with a commanding view of the game. The wave of Tommy John surgeries did seem to have become an epidemic that was growing in strength, one which would cost both pitchers and teams millions upon millions of dollars.

And then a funny thing happened: the surgeries began to decline.

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Each week, we publish in the neighborhood of 75 articles across our various blogs. With this post, we hope to highlight 10 to 15 of them. You can read more on it here. The links below are color coded — green for FanGraphs, brown for RotoGraphs, dark red for The Hardball Times and blue for Community Research.
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The Dodgers, Royals, and White Sox swung a three-team, six-player trade yesterday involving relievers Scott Alexander, Luis Avilan, and Joakim Soria plus three prospects: Trevor Oaks, Erick Mejia and Jake Peter.

Eric Longenhagen and Kiley McDaniel have provided scouting reports for the prospects changing hands. Below are the KATOH projections for those same players. WAR figures account for each player’s first six major-league seasons. KATOH denotes the stats-only version of the projection system, while KATOH+ denotes the methodology that includes a player’s prospect rankings.

*****

Trevor Oaks, RHP, Kansas City (Profile)

KATOH: 3.4
KATOH+: 2.6

Oaks caught KATOH’s eye last year when he put up a 2.74 ERA with decent peripherals across 24 starts in the Dodgers system. An oblique injury effectively ended his 2017 season in July, but not before he recorded a 3.49 FIP and 21% strikeout rate in 84 Triple-A innings. Oaks turns 25 in March but has succeeded as a starter at the highest level of the minors.

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Everybody knows that next year’s crop of free agents is going to be spectacular. Bryce Harper and Manny Machado headline the class, of course, but Josh Donaldson, Dallas Keuchel, and Andrew McCutchen will all be available, as well. Clayton Kershaw, meanwhile, will have the option of opting out of the final two years of his contract with the Dodgers. The collection of talent is impressive. The contracts they’re all likely to receive are expected to be equally so.

By contrast, the prospect “merely” of Yu Darvish, Eric Hosmer, and J.D. Martinez — that is, the top names of the 2017-18 offseason — isn’t as striking. Had things unfolded differently, however, this offseason would have facilitated a free-agent bonanza of its own.

The Dodgers and Yankees appear motivated to avoid the competitive-balance tax right now, but would they be doing so if Mike Trout were available? How about Jose Altuve or Paul Goldschmidt? This isn’t some fantasyland where every player is a free agent. If Altuve, Goldschmidt, and Trout hadn’t signed team-friendly contract extensions, all three would be free agents right now. They aren’t the only ones, either.

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After having typically appeared in the hallowed pages of Baseball Think Factory, Dan Szymborski’s ZiPS projections have now been released at FanGraphs for half a decade. The exercise continues this offseason. Below are the projections for the Minnesota Twins. Szymborski can be found at ESPN and on Twitter at @DSzymborski.

Batters
The Twins’ surprising 2017 campaign, which included a place in the Wild Card game, was a product in no small part of the club’s most promising young players translating their immense talents into on-field success. Byron Buxton (projected for 538 PA and 3.2 zWAR in 2018), Eddie Rosario (578, 1.6), and Miguel Sano (531, 2.7) combined for 8.3 WAR as a group. ZiPS calls for the triumvirate to fall short of that mark in 2018 but to still approach the eight-win threshold — all at basically no cost to the team.

Buxton remains a source of great interest, of course. After a series of fits and starts, he managed to hit well enough this past season to allow his other skills to carry him. In 2017, he recorded the highest WAR (3.5) of any player who also produced a below-average batting line (90 wRC+, in this case). Dan Szymborski’s computer suggests he could once again earn that strange distinction, projecting Buxton for a 90 wRC+ and 3.2 WAR.

Finally, it should be noted that ZiPS projects plate-appearance totals using only the data from a player’s observed track record and is agnostic to news of injury, etc. Accordingly, there has been no attempt here to account for how allegations of sexual assault might affect Miguel Sano’s playing time. Which is good because, whatever the virtues of Szymborski’s model, contending with fraught and difficult and nuanced social conversations isn’t (and needn’t be) among them.

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The Colorado Rockies have been rumored for a month-plus to be on the verge of signing a free-agent closer who used to pitch for the Kansas City Royals. Today, they did just that — but it’s not the reliever you might have thought. Instead of re-signing Greg Holland, they opted to add Wade Davis to the fold. Jeff Passan reports:

On its own, there’s a lot to consider here — and that’s without even accounting for the terms of the deal and what those terms mean for the Rockies. Once again, Passan:

This can really only go one of two ways. The first possible outcome — and the one that’s more probable — is that it blows up in Colorado’s face, becoming a cautionary tale like the Mike Hampton–Denny Neagle signing spree of Dec. 2000. The second is that the Rockies are on to something here. Yes, they may have just assembled the most expensive bullpen in history — certainly it will be one of the most expensive — but they have the opportunity to ride with that for this year at least because of all the minimum-contract pitchers they have.

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Each week, we publish in the neighborhood of 75 articles across our various blogs. With this post, we hope to highlight 10 to 15 of them. You can read more on it here. The links below are color coded — green for FanGraphs, brown for RotoGraphs, dark red for The Hardball Times and blue for Community Research.
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Earlier this offseason, as part of an info-taining post illustrating the influence a single batter can exert on game pace, Jeff discovered that Marwin Gonzalez was taking f-o-r-e-v-e-r between pitches this past season.

I followed up shortly after that with a piece in defense of pitchers, as I suspected much of the blame for the slowing pace of play could be assigned to batters.

While the hot stove is slowly warming this offseason, let us not forget that the biggest change we’ll observe in major-league stadiums next season could be the appearance of pitch clocks. Buster Olney reported last month that the introduction of a pitch clock is a distinct possibility.

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About 13 months ago, just as everyone was preparing for Thanksgiving, the Mariners and Diamondbacks swung a borderline blockbuster. The big name going to Seattle was Jean Segura. The big name going to Arizona was Taijuan Walker. As the trade happened, both Dave and myself wrote about how, in the end, it could end up being the Mitch Haniger trade. All things considered, Haniger had a fairly successful 2017. There’s another player in there I’m starting to like, though, and, well, my apologies to Zac Curtis. It’s Ketel Marte. I’ve really come around on Ketel Marte.

Perhaps it’s my own fault for having underestimated his talent. In my defense, though, Marte was simply a much-improved player this past season. People have asked me several times in my chats who I think could be poised for a breakout 2018. As such, it’s long past time for me to explain why Marte has captured my attention. He could be part of the Diamondbacks core for a very long time.

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The Marlins no longer have Giancarlo Stanton, who is extremely good. They no longer have Marcell Ozuna, who is very good. And they no longer have Dee Gordon, who is pretty good. Even if you trust that the Marlins’ new ownership group is trying to act in the team’s long-term best interests, it’s obvious that the club is rebuilding, and therefore won’t be any good any time soon. Given the circumstances, eyes have turned to Christian Yelich, an excellent player who might be traded. He’s not alone, however. J.T. Realmuto is a lesser-known player, but he’s a quality everyday catcher, and he wouldn’t mind being granted some freedom.

Craig Mish broke the news that Realmuto would like to be traded. Ken Rosenthal confirmed the report. Via Bob Nightengale, we learn the Marlins aren’t in a hurry to make a move. It’s not clear whether Realmuto made a demand, or if he just spoke to the possibility. And, of course, Realmuto has limited leverage here, since he can’t force his way out. Even the prospect of Realmuto performing worse because he’s unhappy would be bad for both the player and team. Whatever happens with Realmuto will happen. It’s not so much up to him. But — well, why stop at Ozuna? Where do the Marlins think that they’re going? Realmuto might as well be traded, and he would bring back a significant haul.

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