[閒聊] 近20年以來 ERA變化
AVG:打者打擊率 完投:先發投完整場 完封:整場比賽讓對手0得分(1個或多個投手)
投手整體ERA下降 但先發完投比例也大幅下降,後援比例越來越重
投手分工越來越細應該是整體ERA降低的重要因素吧! 資料來源:baseball-reference
Year ERA 完投 完封
2016 3.98 8 7 (2016.05.02 )
2015 3.96 104 51
2014 3.74 118 65
2013 3.87 124 57
2012 4.01 128 69
2011 3.94 173 75
2010 4.08 165 59
2009 4.32 152 63
2008 4.32 136 54
2007 4.47 112 43
2006 4.53 144 63
2005 4.29 189 63
2004 4.46 150 69
2003 4.40 209 72
2002 4.28 214 87
2001 4.42 199 74
2000 4.77 234 72
1999 4.71 237 64
1998 4.43 302 101
1997 4.39 266 89
Year ERA 完投 完封
Year ERA AVG
2016 3.98 0.249
2015 3.96 0.254
2014 3.74 0.251
2013 3.87 0.253
2012 4.01 0.255
2011 3.94 0.255
2010 4.08 0.257
2009 4.32 0.262
2008 4.32 0.264
2007 4.47 0.268
2006 4.53 0.269
2005 4.29 0.264
2004 4.46 0.266
2003 4.40 0.264
2002 4.28 0.261
2001 4.42 0.264
2000 4.77 0.270
1999 4.71 0.271
1998 4.43 0.266
1997 4.39 0.267
Year ERA AVG
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※ 編輯: checktime (39.12.99.167), 05/03/2016 16:35:50
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