Jake Arrieta Has Developed a Problem

Any Cubs fan could tell you Jake Arrieta just doesn’t seem quite right. This has been the case for a number of weeks, or months, and we’ve touched on it before. It’s funny to think about the hand-wringing over a pitcher sitting on a sub-3 ERA. But, he really has gotten meaningfully worse, and he’s the staff ace of a World Series favorite. Cubs fans don’t have a whole lot of negatives right now. Arrieta might be turning into one, and he had a clunker against Pittsburgh just Monday.

Last week, I wrote about the curious disappearance of Arrieta’s unbelievable slider. It hasn’t killed him or anything, with the fastball picking up the slack, but that’s not something Arrieta would’ve wished for. The slider going away is a symptom of something. I can present to you now another symptom of something. And it’s related to the slider’s deterioration — Arrieta’s developing a platoon split. He’s having some trouble with lefties, and, it turns out there are lefties everywhere.

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KATOH on the Cape: Projecting Cape Cod League Hitters

The college baseball season wrapped up in June when Coastal Carolina defeated Arizona in the College World Series, but most of the top college players’ seasons don’t end when their team’s season does. Players with dreams of going pro often spend the summer months playing in collegiate summer leagues to gain extra reps and exposure. Teams in these leagues are composed entirely of college players, and — unlike at the college level — hitters use wooden bats instead of metal ones.

The most well known of these leagues is the Cape Cod Baseball League, which aptly takes place along Cape Cod in Massachusetts. The Cape attracts most of the best college players, and many of today’s stars spent their college summers playing there. Josh Donaldson, Evan Longoria, Buster Posey and Mark Teixeira are just a few notable alumni.

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KC’s Chris Young Versus Three Boston Batters

Chris Young faced three batters in the sixth inning of last Friday’s game at Fenway Park. Pitching in relief of starter Ian Kennedy, the Royals right-hander came on with one out, a runner on second base, and Kansas City leading the hometown Red Sox 5-1. He allowed a run-scoring single to Dustin Pedroia, then retired Xander Bogaerts and David Ortiz to end the inning.

Two days later, Young talked about the at-bats, the role of luck, and how his pitching approach is influenced by a home run he gave up in 2005.

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Young on facing Pedroia: “A lot of variables go into it, but I’m big on looking at the reports. With Pedroia’s numbers off fastballs, and what he does against sliders, in the back of my mind I was thinking, ‘Alright, I probably need to get him out with a slider.’ The fastball he covers pretty well. If I do throw a fastball, it’s got to be in a specific location.

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August Fagerstrom FanGraphs Chat — 8/30/16

11:55
august fagerstrom: Yo! Chat will start shortly after the top of the hour

11:55
august fagerstrom: In the meantime, listen to this new Bon Iver single that I have not been able to quit replaying:

11:55
august fagerstrom: I’m not even a particularly huge Bon Iver fan, but I can’t get enough of the new sound he’s displayed on the three singles. Insanely hyped for this new record. Love the new direction

12:09
august fagerstrom: ok!

12:09
august fagerstrom: let’s begin

12:09
Brett W: Your chat might be more efficient and effective if you lead with the curve.

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Corey Kluber, Jose Fernandez and Maximizing Your Weapons

Back in March, before the season began, our own Jeff Sullivan was interested in a way to potentially improve Corey Kluber. Kluber, of course, was already one of the game’s very best pitchers, but even the best can get better. Clayton Kershaw’s gotten better seemingly every year he’s been in the league. Kluber could stand to improve as well. Sullivan’s idea for improving Kluber more or less went like this:

Kluber, at least in theory, could benefit from throwing more cutters and curves, and fewer fastballs. The fastball could still remain the primary pitch, but maybe the cutter would become a co-primary weapon. And the curve would show up in greater amounts, particularly in lesser-expected situations.

Reasoning being, Kluber possesses one of the few best cutters in baseball. Kluber possesses one of the few best curves in baseball. The fastballs Kluber throws have graded out as below-average pitches, and yet Kluber’s always led with the fastball. And so the thinking went, fewer fastballs, more cutters and curves, and you wind up with a better pitcher.

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FanGraphs Audio: Eric Longenhagen, Lead Prospect Analyst

Episode 678
Lead prospect analyst Eric Longenhagen is the guest on this edition of the pod, during which he discusses the recently promoted Jeff Hoffman and Luke Weaver of Colorado and St. Louis, respectively; the recently promoted and immediately demoted Jorge Alfaro of Philadelphia; and finding the ideal seat.

This episode of the program either is or isn’t sponsored by SeatGeek, which site removes both the work and also the hassle from the process of shopping for tickets.

Don’t hesitate to direct pod-related correspondence to @cistulli on Twitter.

You can subscribe to the podcast via iTunes or other feeder things.

Audio after the jump. (Approximately 1 hr 05 min play time.)

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NERD Game Scores for Tuesday, August 30, 2016

Devised originally in response to a challenge issued by sabermetric nobleman Rob Neyer, and expanded at the request of nobody, NERD scores represent an attempt to summarize in one number (and on a scale of 0-10) the likely aesthetic appeal or watchability, for the learned fan, of a player or team or game. Read more about the components of and formulae for NERD scores here.

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Most Highly Rated Game
Los Angeles NL at Colorado | 20:40 ET
Hill (82.0 IP, 85 xFIP-) vs. Anderson (83.0 IP, 82 xFIP-)
There are a number of strong candidates for facilitating Baseball Pleasure on today’s schedule: this game in Colorado, for example, featuring a Dodgers club for which wins are particularly valuable right now; another game in San Francisco, featuring a Giants club for which wins are particularly valuable right now; and a third game in Baltimore, featuring a Blue Jays and Orioles club, both of which would find some value in a win. What this particular contest offers that the others don’t is a pair of left-handers (a) who have been quite effective and (b) about whom there’s still quite a bit to learn. Among his many virtues, Rich Hill throws a curveball that resembles no one else’s. As for Tyler Anderson, he invites comparisons to Clayton Kershawagainst Corinne Landrey’s will.

Readers’ Preferred Broadcast: Los Angeles NL Radio.

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Two Ways Dansby Swanson Is Being Pitched Like a Slugger

Dansby Swanson is dapper. Dansby Swanson is exciting. Dansby Swanson should have great plate discipline and a good hit tool. And Dansby Swanson is a major leaguer. These things are all true. Dansby Swanson may also be a slugger in the future, but he’s not yet. That’s weird, though, because he’s being pitched like a slugger in two key ways.

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Behold a Genuinely Outstanding Pitch

Someone submitted something to my chat last Friday:

CapnZippers: Seth Lugo’s curveball averaged 3300 RPM last night. That spin rate is almost 10% higher than the next guy. Holy Moly! Mets maybe found a gem?

The same day, Mike Petriello sent out a relevant tweet:

I made a note to do some digging. To be honest, I don’t have a lot to add. As has been measured, Seth Lugo has thrown an outstanding curveball, in terms of its spin rate. It’s outstanding not because it’s amazing; it’s outstanding because it stands out. The average spin rate is way higher than anyone else’s. As a different way to demonstrate that, I pulled up all the individual games with the highest-spin curveballs, from Baseball Savant. Lugo, in the majors, has appeared in 10 games in which he’s thrown at least one curve. A leaderboard:

lugo-spin

Lugo dominates the spin charts in the way that Aroldis Chapman dominates the velocity charts. This isn’t a one-off fluke — Lugo has an exceptional breaking ball. The question is whether Lugo himself will become a quality pitcher, but this should at least get you to raise your eyebrows.

It’s really too soon to say how much this means. It’s not an easy thing to analyze an individual pitch, and Lugo won’t go anywhere if his other pitches don’t play well, too. Everything works together. There is some evidence that high spin is correlated to reduced slugging. And there’s evidence that high spin is correlated to increased whiffing. The evidence isn’t strong, but it makes sense intuitively, and again, this is all complex. It’s fair to say that Lugo’s curveball is interesting, without going any further. I don’t know how interesting this should make Lugo as a player, but I know that now I’ll keep my eye on him. I didn’t have any reason to think about him before.

By velocity and movement, the best comparison for Lugo’s curve in the PITCHf/x era is Brett Myers‘ curve. Myers threw a phenomenal curve for an entire decade. Garrett Richards has another comparable curve, but he’s never thrown it much. Jake Arrieta’s curve also compares well, so that’s promising. Lugo’s curve appears to be a major-league pitch. A major-league out pitch, even. We’ll see about the other pitches.

Lugo picked up his first-ever big-league strikeout on a curve. It’s with a clip of that curve that I’ll leave you today.

How interesting an arm is Seth Lugo? I don’t know. “More” would be one answer.


Effectively Wild Episode 946: Which WAR(P) is Just?

Ben and Sam banter about an In-N-Out Burger baseball promotion gone wrong and the MLB.TV Game Changer, then decide which win-value stat they side with when the available options don’t tell the same stories about certain stars.