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Sunday, April 11, 2010

Where are outfielders positioned?

By , 03:32 AM

In the thread on refining UZR, we discussed figuring out from the data where the fielders are positioned.  Obviously it depends on the handedness of the batter, pitcher, the power and speed of the batter, his individual “spray pattern,” the park, and other game specific factors, like the inning, outs and score.

I tried to do this for outfielders using a brute force method and trial and error. Basically, I looked for the angle and distance that had the highest out rates for a hard hit line drive.  I split it up into LH and RH batters since that is the primary consideration for outfielder positioning. If you don’t at least split it up into two groups, you get bimodal results.  Here is what I found (these are rough estimates):

RHB

LF: 310 feet, 18.5 degrees from LF line
CF: 325 feet, 45 degrees or “straight away”
RF: 305, 15 degrees from RF line

LHB

LF: 305 feet, 19 degrees from LF line
CF: 320 feet, 44 degrees from LF line (slight LC)
RF: 310 feet, 17.8 degrees from RF line

There you have it!

(26) Comments • 2010/05/28 • SabermetricsFielding
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April 11, 2010
Where are outfielders positioned?