FG on Fox: Does Anybody Else Throw Zach Britton’s Sinker?
The Royals are an incredible story, and the Orioles are an incredible story, and when you break down a big incredible story into its component bits, you’re left with a whole bunch of tinier incredible stories. Among the possessors of those stories on the Orioles is closer Zach Britton, who, like a lot of good relievers, is a failed starter. Britton failed to build on a promising rookie season and was reduced this year to bullpen work, but in that role Britton has excelled. And not only is it remarkable that he’s excelled — it’s remarkable how he’s excelled.
If you’re familiar with Britton, you know the story. If you’re not, you will be. Britton, basically, has one pitch. He’ll mix in the occasional breaking ball, but nine times out of ten, Britton is attacking with his sinker. People liked his sinker when he was a starter and it flew in at 92 miles per hour. Now it’s coming in at 96, so it doubles as both a setup pitch and a putaway pitch. Kenley Jansen has his cutter, Jake McGee has his four-seamer, and Zach Britton has his sinker. It’s the pitch that’s allowed him to tie for the highest single-season groundball rate we have on record.
Britton’s sinker is the whole secret to his success, in that people can’t do anything with it even when they know that it’s coming. At FanGraphs we track pitch values, which measure the quality of a single pitch based on the results that it gets. This year, Johnny Cueto had the highest fastball pitch value. McGee came in second — he’s also a one-pitch pitcher. Then you’ve got Clayton Kershaw, then you’ve got Zach Britton, and of course, Cueto and Kershaw were starters. Britton had one of the most dominant individual pitches in baseball, allowing him to be a shutdown closer, and so far in the playoffs Britton hasn’t thrown anything but his bread and butter. He knows what’s been working for him.
A few people have remarked that when they see Britton’s sinker in action, they’re reminded of Jonny Venters. Unfortunately Venters hasn’t been able to pitch in the majors since 2012, so I found myself curious: does anybody else in baseball throw Zach Britton’s sinker? Does it have peers, or is it a standalone pitch? After thinking on it, I’ve come up with a method. And for simplicity, I’m ignoring handedness concerns. Left-handed and right-handed sinkers will be combined.
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Jeff made Lookout Landing a thing, but he does not still write there about the Mariners. He does write here, sometimes about the Mariners, but usually not.
Consider Blue Jays, Aaron Sanchez, upper 90’s sinker very similar results. Small sample size.
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You should also consider Nationals, Blake Treinen. I read somewhere that his sinker was the closest comp to Britton’s…
Jeff slacking off again
Zach Britton: 75.3% GB%
2012 Brad Ziegler: 75.5% GB%
Doesn’t Ziegler still have the highest GB% on record?
I consider anything that close a tie.
Sanchez comes in at a more ordinary six feet, so the plane is different, and hitters are less likely to beat the pitch into the ground.
Sanchez sinker GB% 75%
Britton sinker GB% 77%
Welp. You are correct! The plane is still different, but perhaps Sanchez gets the bump from having somewhat better velocity. Or from throwing a four-seamer, too.
Jeurys Familia? Wasn’t there a GIF of his sinker two years ago on Fangraphs that was downright filthy?
Britton’s sinker so unhittable, even HE can’t … hit the strike zone with it.
Kinda makes sense that if you know your hitters can’t hit it anyway, just stand by and watch in hopes he grooves the bases loaded.
I wonder how it compares to 2010 era Ubaldo’s sinker