The shuuto

Hisanori Takahashi throws his shuuto against the Nationals on March 7, 2010. (Icon/SMI)

Here’s my theory on the shuuto: it’s Japanese for “inshoot”, and it can describe any pitch that tails to the pitcher’s arm side, including the two-seam fastball, the circle change-up, the screwball, and the split-finger fastball.

I came to this conclusion after noticing that Hisanori Takahashi’s circle change-up was described as a shuuto. All the research I did on the web uncovered many apparently different pitches as shuutos. Greg Maddux’s two-seam fastball was described as the American pitch most like a shuuto. The thing about that is…Maddux’s two-seamer is pretty much like many other American two-seam fastballs.

I was even pointed at this post on Jonathan Hale’s Mockingbird blog about how to throw the shuuto. The description there looks very much like a two-seam fastball. In the comments, then high school, now college pitcher Jamichael Oxley described his screwball-like pitch as a shuuto. Eventually, I decided that the only thing all these different pitches had in common was that factor encapsulated in the name: inshoot.

I’m not sure that I’m right, and I’m certain many people will disagree with my theory. But here’s what I’d like to hear: which pitcher do you know that throws the shuuto, and how does he or other observers describe it? Did he pitch in the World Baseball Classic, such that we might have PITCHf/x data for his pitches?

I’m particularly interested in pitchers who throw more than one type of inshoot pitch but label only one of them as a shuuto. I’m also interested in photographic and video evidence of the shuuto.

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13 years ago

Masato Yoshii threw the first shuuto I heard of for the Mets in the late 90s, though I recall it being described as a cut fastball, ie with the ball moving to the left from a right handed pitcher.

I also found a link describing righty Hideki Kuroda’s shuuto as a sinking fastball that cuts left, here:, the description comes about 90% down the page under the ‘Saito and Kuroda’ heading.

13 years ago

Nick Masset’s 2 seamer has a lot of horizontal movement and could probably count as a shuuto.  But from the descriptions I’ve seen, it sounds more like an offspeed pitch than a 2-seamer

Mike Fast
13 years ago

Thanks, Frank.  Your link describes Kuroda’s repertoire as follows:

Kuroda has a five pitch repertoire that includes a good change up, a slow 90s fastball, a cutter, a forkball, a slider and a shuuto (hard sinker that cuts left).

There’s another description of his repertoire here that does not mention the shuuto:

The PITCHf/x data indicates that he throws a cut fastball (or a four-seam fastball with cutting action, take your pick of labels), a two-seam fastball, a slider, and a splitter.

I don’t see evidence of a separate pitch type unique to American baseball.  So presumably Kuroda’s shuuto is either his splitter or his two-seam fastball.

Probably his two-seam fastball, if his catcher Russell Martin knew what he was talking about (and I see no reason to doubt him):

“He’s got a little cutter, a slider, a splittie, and he just mix-and-matches them all well. His strength is working ahead in the count.”

And what of the so-called shuuto, the dancing fastball with a reputation that precedes Kuroda?

“It’s just a two-seamer, a good two-seamer that does have a nice little snap to it,” Martin said. “It does sound cool, though, doesn’t it? Shuuuuto.”

Mike Fast
13 years ago

Tom Verducci, quoting Bobby Valentine:

Chiba Lotte Marines manager Bobby Valentine, describing the shuuto in an e-mail, wrote, “It will not be as fast as a four-seam [fastball] but will move into a right-handed hitter, if thrown by a right handed pitcher. It has action that is opposite of a cutter. Very common here.”

13 years ago

If a Shuuto is just the description of a ball with pretty good armside movement, I would have to imagine Ubaldo Jimenez has the greatest shuuto ever thrown.  I’ve never seen a fastball in the high-90s thrown with that much horizontal movement.  Just watching on Sportscenter, you can see the ball moves well over half the plate.  It’s shockingly good (and trust me, I’m not a Rox fan, just an impressed baseball fan).

Bill Rogers
13 years ago

Paging Christy Mathewson

12 years ago

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