Monday, September 10, 2012

Wins Above Replacement / 600 Plate Appearances

Look in the mirror. You'll see a person who would click on an article titled: Wins Above Replacement / 600 Plate Appearances.

Anyone with an opinion on what it is "to blog" will say that readership numbers vary drastically from post to post, based on the quality of the title. Yet, here we are.

Wins Above Replacement is far from perfect. Too often, when comparing player performance, WAR is used to end an argument, as opposed to its ideal use as a conversation starter.

In this morning's quick exercise, we took the average WAR between Baseball-Reference and Fangraphs, then converted it to a rate stat per 600 plate appearances.

2012 avWAR/600 Leaderboard
*Position players only | as of Sept 10, 2012
Mike Trout, Angels 10.2
Joey Votto, Reds 7.8
Carlos Ruiz, Phillies 7.7
Yadier Molina, Cardinals 6.9
Ryan Braun, Brewers 6.9
David Wright, Mets 6.5
Giancarlo Stanton, Marlins 6.4
Andrew McCutchen, Pirates 6.4
Buster Posey, Giants 6.4
Robinson Cano, Yankees 6.1
Miguel Cabrera, Tigers 5.9
Jon Jay, Cardinals 5.9
Jason Heyward, Braves 5.9
Michael Bourn, Braves 5.7
Adrian Beltre, Rangers 5.7
Aramis Ramirez, Brewers 5.5
Chase Headley, Padres 5.5
Melky Cabrera, Giants 5.4
Austin Jackson, Tigers 5.4
Ben Zobrist, Rays 5.0

How about Jon Jay? Who knew? And, what about that Aramis Ramirez? Could anyone have forecasted the following for 2012?

Aramis Ramirez: 541 PA, 4.5 rWAR, 5.5 fWAR
Albert Pujols: 575 PA, 4.5 rWAR, 3.7 fWAR
Prince Fielder: 592 PA, 3.7 rWAR, 4.3 fWAR

Aramis Ramirez leads the National League with 44 doubles

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