Future Value by Eric Longenhagen

Future Value by Eric Longenhagen

Author:Eric Longenhagen
Language: eng
Format: epub
Publisher: Triumph Books
Published: 2020-02-13T23:47:49+00:00


The notion of arm utility is new enough for the two of us that we haven’t decided whether/how to explicitly fold it into our work at FanGraphs since arm utility is a harder thing for us to collect at a global scale without an entire staff of scouts. Throwing accuracy is folded into the throwing tool grade, and most scouts think poor accuracy is fixable, particularly when athleticism is present.

Catcher Arm Strength

Much like run times, scouts use a stopwatch to evaluate catcher arm strength. They start the watch when the pitch hits the catcher’s mitt, and stop it when the middle infielder catches their throw. The average big league catcher pop time is two seconds, flat. Again, as is the case with run times, the stopwatch is measuring a couple of different things. The catcher’s arm strength is part of it, but so is the “exchange,” aka the amount of time it takes the catcher to get rid of the ball after he receives it. Catchers with inefficient economy of movement may have more projection on the arm if scouts think their mechanics can be polished up and they can shave a few fractions of a second off of their exchange. Here’s the 20–80 scale for both pop times and raw catcher arm strength along with some examples. As usual, we’ve highlighted players who would fit in a different tool tier depending on which you used. We prefer the pop times.



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