INFOGRAPHICS > Starters vs. relievers

October 2009
Source: http://www.baseball-reference.com/

Notes:
If a starting pitcher threw even one pitch as a reliever, those innings are included in the relief part of the chart, and vice versa
Justin Verlander (DET) pitched the most innings in the AL (240.0)
Adam Wainwright (STL) pitched the most innings in the NL (233.0)
34 pitchers pitched over 200 innings