Archive for Starting Pitchers

PitchFX Forensics: Julio Urias and Anterior Shoulder Capsule Tears

The Dodgers Julio Urias is done for the year, and probably most of next season, with a torn Anterior Capsule – a devastating shoulder injury. The anterior capsule is a combination of ligaments which provide stability to the shoulder. Have you ever heard someone state that they had “a frozen shoulder”? Well, frozen shoulders (or, adhesive capsulitis), is impingement of that same capsule, and it results in huge range of motion loss, and incredible discomfort. You can imagine how damage to that structure would be catastrophic to a pitcher.

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Underthrown Pitches And The Pitchers Who Underthrow Them: Putting It All Together

Over the last several weeks, I’ve scoured Baseball Prospectus’ PitchF/x leaderboards for the league’s underthrown pitches. We’ve covered two different pitch types each week starting with four-seam fastballs and sinkers in the first installment, cutters and curves in the second, and sliders and changeups last week. This week, we put it all together. Now that we’ve identified the most underthrown pitches, who should consider overhauling his entire pitch mix to make the most of his electric stuff?

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AL Starting Pitcher Strikeout Rate Upside

Earlier this year, I updated my pitcher expected strikeout rate metric, or xK%, with new coefficients. The equation uses a pitcher’s overall percentage of strikes thrown, as well as the breakdown between the types of strikes he generates — swinging, looking, and foul. We could use xK% over a smaller sample given that its denominator is pitches, rather than batters faces, so it likely stabilizes much more quickly.

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The Sleeper and the Bust Episode: 474 – The Starting Pitcher Bonanza

6/28/17

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Strategy Section: Discussing My SP Update (link to list)

  • Must Start (3:00)
  • Usually Start (1:17:00)
  • Spot Start (2:07:30)

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02:53:39

Tipping Pitches: What’s Wrong with Gausman?

Kevin Gausman is a total mess right now. His strikeout, walk, swinging strike, hit, groundball, and home run rates are all at career-worst levels. Just four of his 16 starts have been quality starts and he’s only gone 6+ innings in six starts. It’s been a nightmare. His splitter is still solid (though a bit worse than last year), but his fastball and breaking ball (it kinda morphs between a slider and curve, but generally sucks regardless) are both just getting smacked around.

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Starting Pitcher ERA-SIERA Gaps: Potential ERA Regressers

Yesterday, I listed the 20 pitchers with the largest gaps between their ERA and SIERA marks, with their ERA marks sitting significantly higher than their SIERA marks, suggesting serious potential for improvement moving forward. Today, I’ll list the pitchers on the other side of the coin, the 20 with ERA marks significantly lower than their SIERA marks, suggesting real potential for ERA regression.

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Starting Pitcher ERA-SIERA Gaps: Potential ERA Improvers

We’re nearing the midpoint of the season (wow has it come quickly!), so it’s finally time to check in on the starting pitchers whose ERA marks are significantly higher than their SIERA marks. Naturally, many on this list are bad, even after figuring in some improvement, but there are enough potentially good pitchers that would make for actual fantasy targets. So let’s discuss them. For completeness purposes, I’m listing the entire top 20, but will only discuss those that matter.

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Starting Pitcher Rankings Update (June)

Here is my latest starting pitcher rankings update! Please review the May 18th update for information on the tiers. Keep in mind that this is a narrower focus than just “rest of season” as I’ll be updating these again at the All-Star break. Pitching is just too volatile to have confidence in a single ranking set for more than 4-6 weeks at a time.

Hell, things will probably change this weekend that will make me reconsider some slots, but we can deal with those on a one-off situation. The tiers are what’s important. I’ll reiterate again that the Must-Starts aren’t automatically the best pitchers, but rather the guys that you can’t sit with any confidence (they don’t have a platoon split or home-road split and their track record speaks more than the first three months of this season.

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Rick Porcello: What’s Gone Wrong?

No one expected Rick Porcello to repeat his 2016 Cy Young season besides maybe his mom. And she probably had some doubts. Before the season started, I thought he was getting punished too much especially after some second half changes. So far, I have been wrong with Porcello maintaining his 2016 production with a 3-9 record and a 5.05 ERA. Here’s what has gone wrong.

Less Help

Last season, quite a bit of Porcello’s fantasy value came from his 22 Wins. While 22 Wins was out of the question this season, owners expected more than three. Porcellos has giving up an extra run per game and the Red Sox offense has dropped off.

Last season, they average scoring 5.4 R/G and this season that number has dropped to 4.7 R/G. With the league scoring up, the Red Sox have gone the other direction. Read the rest of this entry »


Are the Dodgers playing DL games?

On the last MASH report, I discussed Alex Wood’s S/C joint sprain, and many of the commenters claimed it was #FAKENEWS.

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