League Index
 
Bold indicates World Championship Champion
 
Lg LgAvg LgERA Champion Year Champion LgERA LgAvg Lg
AL .260 4.25 Texas Rangers 2007 St. Louis Cardinals 4.18 .257 NL
AL .270 4.63 Minnesota Twins 2008 San Francisco Giants 4.41 .259 NL
AL .273 4.76 Texas Rangers 2009 Colorado Rockies 4.49 .262 NL
AL .271 4.63 Texas Rangers 2010 Houston Astros 4.47 .262 NL
AL .269 4.58 Texas Rangers 2011 Cincinnati Reds 4.40 .263 NL
AL .262 4.33 Texas Rangers 2012 Cincinnati Reds 4.26 .261 NL
AL .264 4.52 Texas Rangers 2013 Colorado Rockies 4.20 .259 NL
AL .255 4.15 Texas Rangers 2014 St. Louis Cardinals 4.01 .256 NL
AL .255 4.07 Cleveland Indians 2015 Los Angeles Dodgers 4.01 .256 NL
AL .262 4.12 Cleveland Indians 2016 Milwaukee Brewers 3.72 .244 NL
AL .259 4.07 Baltimore Orioles 2017 Colorado Rockies 3.91 .255 NL
AL .257 3.99 Cleveland Indians 2018 Florida Marlins 3.90 .255 NL
AL .258 4.02 Cleveland Indians 2019 Pittsburgh Pirates 4.05 .258 NL
AL .258 4.11 Las Vegas Gamblers 2020 Montreal Expos 3.94 .253 NL
AL .263 4.24 Cleveland Indians 2021 St. Louis Cardinals 4.00 .257 NL