捕手/教练帮助投手提升表现的能力 (?)
http://www.baseballprospectus.com/article.php?articleid=16199
最好的捕手 (since 1948):
catcher Runs Prevented PA
Tony Pena 248 66,895
Mike Scioscia 210 46,421
Javy Lopez 205 46,807
Mike Piazza 205 57,099
Carlton Fisk 191 77,857
A.J. Pierzynski 178 51,234
Russell Martin 161 27,445
Jim Hegan 150 43,580
Jose Molina 150 19,905
Andy Etchebarren 146 28,519
最佳教练:
manager Runs Prevented PAs
Bobby Cox 82 169,403
Joe Torre 38 162,651
Tommy Lasorda 36 133,844
Lou Piniella 29 136,125
Walter Alston 28 136,719
Albie Lopez 28 91,232
Jack McKeon 24 77,276
Jimmy Williams 21 64,547
Paul Richards 21 69,001
Danny Murtaugh 19 76,435
最差教练:
manager Runs Prevented PAs
Jim Leyland -44 121,157
Gene Mauch -36 149,246
Casey Stengel -30 88,873
Jim Fregosi -26 81,316
Tom Kelly -23 91,934
Dick Williams -23 113,911
Dusty Baker -23 109,423
Phil Garner -18 78,251
Terry Francona -16 74,338
Davey Johnson -15 80,557