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Yoan Moncada’s 12 K’s in 19 ABs

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Yoan Moncada’s perceived value as a prospect took a bit of a hit last year when he struck out 12 times in 19 at-bats during his September call-up with the Red Sox. Obviously, if he hit .350 with 2-3 homers in those 19 at-bats, people would be more excited. But is it rare for a player to strike out 12 times in 19 at-bats?

The answer turns out to be no, it happens quite often. In the last 10 years, non-pitchers have done it 1,248 times. Here are the five players that have done it the most in that period:

Most Streaks of 12 K's in 19 AB's, 2007-16
Batter Total Streaks
Mark Reynolds 57
Chris Carter 39
Alex Avila 38
Adam Dunn 35
Jack Cust 34

Those leaders are not universally exceptional players, although Adam Dunn in particular had a lengthy and productive career in which he counterbalanced a lot of those strikeouts with home runs and walks. However, beyond even Dunn, there are a number of truly extraordinary hitters who have had streaks of 12 strikeouts in 19 at-bats. For example, Giancarlo Stanton has done it 16 times since 2007. Freddie Freeman has done it seven times. David Ortiz has done it five times.

I’m sure it made it easier for the Red Sox to trade Moncada after his strikeout streak, but this one small sample-size performance is not out of the ordinary even for some of the best players in baseball.

Methodology: There is more than one way to account for the number of times batters recorded 12 strikeouts in 19 at-bats. We opted to count each unique instance of 12 strikeouts in up to 19 at-bats as unique streaks. That means that some strikeouts become a part of more than one streak for hitters, but the exact sequence of 12 strikeouts is not counted more than once even if it occurs in fewer than 19 at-bats.

This is probably best illustrated with an example. Take the following 19 at-bat stretch for a hypothetical hitter:


Where K represents a strikeout and O represents a non-strikeout. We counted each of these as separate streaks:





However, we did not count any of the “more than 12-strikeout” streaks that occur in that 19 at-bat sequence as separate streaks.

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