If there is one stat on this site that inspires more controversy than the others, it’s UZR. One reason I do like the stat, even though I admit its flaws, is that it comprises runs above average from four different defensive components: arm, double play, range, and error. It’s the last that I want to focus on today. While browsing defensive stats I noticed that a few players stand out from their peers in terms of sure-handedness. That is, they have, at some point in the last nine years, almost completely lacked it. What follows is a quick look at infielders who have cost their teams a win, or close to it, just by failing to make plays that the official scorer thought they should have.
The inspiration for this post actually came from Castro. In terms of range he had plenty of positive value, 6.5 runs above average. But his 27 errors ranked second in the Majors, and amounted to -9.5, or nearly a full win. He has a history of this, too, as he made 39 errors between two minor-league levels in 2009. Still, he was just 20 last year, and we saw another 20-year-old shortstop, Elvis Andrus, make a bunch of errors and then improve the next season.
But -9.5 runs? That’s pretty brutal for any age.
Surprisingly, Castro wasn’t the worst offender in 2010. Nationals shortstop Ian Desmond led the majors with 34 errors, which amounted to -10.5 error runs above average. As with Castro, his range was actually rated a bit above average, but his errors absolutely killed him.
That ends the 2010 portion of the history. I’m sure everyone can guess the shortstop with the best error runs above average. If you need a hint, it’s Derek Jeter. At least he does something right.
Desmond might have been the least sure-handed defender in 2010, but he wasn’t the worst of all time. That would go to Mark Reynolds, who cost his team 12.4 runs with his 34 errors in 2008. As we saw with the other two, his range was a bit above average. That helps, but not so much when you’re costing your team more than a win with your blunders.
It took the Brewers just one season to realize that Braun wasn’t going to fit as their regular third baseman. In the 945 innings he logged that year he made 26 errors, or roughly one every four games. That amounted to -8.4 error runs above average. But unlike Reynolds, Desmond, and Castro, Braun lacked range, -19.3 runs above average. Had he played as many innings as the four guys who rated worse than him, he probably would have finished worse.
Oh, and the guy who finished with the wort range runs rate that year? The very same Derek Jeter.
The last entrant on the list, Edwin Encarnacion has never cost his team a full with his errors in any given season. But when I went through the leader boards I saw his name pop up frequently. He has finished with a negative error score in each of his six big league seasons, for a total of -23.2. His best year was -0.6, and I suspect it is, at least in part, because he played only 726 innings that year.
Encarnacion actually ranks second worst in error runs during the past three seasons. Reynolds is the worst, at -14.5, but he has also played 800 more innings. On a rate basis Encarnacion has been worse. Castro, despite having just one season under his belt, ranks fourth worst.
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