SIERA：FanGraphs的新數據，綜合運氣、防守及球場因素，來預估一個投手應有的ERA。
IP≧70
ERA SIERA
Zack Greinke MIL 5.04 2.17 .........
Roy Halladay PHI 2.57 2.56
Clayton Kershaw LAD 2.83 2.64
Cliff Lee PHI 2.88 2.77
Justin Verlander DET 2.29 2.84
Cole Hamels PHI 2.71 2.86
David Price TB 3.73 2.87
James Shields TB 2.60 2.89
Brandon Beachy ATL 3.75 2.97
Tommy Hanson ATL 2.73 3.00
Tim Lincecum SF 2.99 3.02
Anibal Sanchez FLA 3.52 3.05
Felix Hernandez SEA 3.26 3.07
Brandon Morrow TOR 4.37 3.08
Dan Haren LAA 2.75 3.11
Jaime Garcia STL 3.11 3.16
CC Sabathia NYY 2.64 3.17
Bartolo Colon NYY 3.34 3.18
Matt Garza CHC 3.80 3.22
Erik Bedard SEA 3.00 3.23
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Clayton Richard SD 3.88 4.56
Jo-Jo Reyes TOR 4.94 4.57
Joe Saunders ARI 3.89 4.61
Brad Penny DET 4.47 4.64
Phil Coke DET 4.74 4.84
Tim Wakefield BOS 4.80 4.85
Jason Hammel COL 4.36 4.86
Wade Davis TB 4.25 5.21
Tyler Chatwood LAA 3.71 5.25
Kyle Drabek TOR 5.70 5.40
ERA領先群的狀況
Jered Weaver LAA 1.90 3.43
Johnny Cueto CIN 2.01 4.00
Ryan Vogelsong SF 2.02 3.84
Josh Beckett BOS 2.12 3.46
Jair Jurrjens ATL 2.26 3.99 跟實際差超多，上面幾個也是...
And
John Lackey BOS 6.70 4.31
看看吧～