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THE BOOK--Playing The Percentages In Baseball

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Thursday, July 22, 2010

Felix 2009 v Felix 2010

Data from Fangraphs:

Runs allowed:  3.05 v 3.05 (earned or otherwise)
FIP: 3.05 v 3.09
xFIP: 3.38 v 3.42

Per 9IP:
K: 8.3 v 8.2
BB: 2.5 v 2.7
HR: 0.6 v 0.6

BABIP: .290 v .289
LOB: 77% v 77%
GB%: 53% v 53%
HR/FB: 7.6% v 7.5%

IP/GS: 7.3 v 7.0
PA/GS: 30 v 29
Pitches/GS: 107 v 109

% pitches strikes: 65% v 64%
% pitches swung at: 46.9% v 46.4%
% of swings contacted: 78% v 77%

Situational Wins (WPA/LI), per 40 batters:
+..127 wins (i.e., .627 win%) v +.131 wins (i.e., .631 win%)

Up and down the line, virtually every single stat that is captured of Felix Hernandez shows an almost perfect match between his performance in 2009 and so far in 2010.

Except this:
W/L: 19-5 v 7-6

And yet, every year, we have to go through this song-and-dance, because people forget about how useless seasonal W/L records are for evaluating pitchers.  Because someone invented a particular definition of the W/L record for a pitcher a century ago, we are somehow beholden to them.  Let’s wait for someone to tell us if we are at war with Eastasia or Eurasia.


(6) Comments • 2010/07/23 • SabermetricsPitchers
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