ERA+

Ron Mahay · Season-by-season history

ERA+ over time

Ron Mahay — ERA+ over time Each bar is a recorded season value, grouped by season and coloured by team and competition. Bars extend from zero. Focus or hover over a bar for its exact value. 0 50 100 150 200 250 1997 1999 2003 2005 2007 2009 2010 1997 · Boston Red Sox · MLB: 187 Boston Red Sox 1998 · Boston Red Sox · MLB: 138 Boston Red Sox 1999 · Athletics · MLB: 250 Athletics 2000 · Athletics · MLB: 53 Athletics 2003 · Texas Rangers · MLB: 159 Texas Rangers 2004 · Texas Rangers · MLB: 197 Texas Rangers 2005 · Texas Rangers · MLB: 68 Texas Rangers 2006 · Texas Rangers · MLB: 117 Texas Rangers 2007 · Texas Rangers · MLB: 166 Texas Rangers 2008 · Kansas City Royals · MLB: 125 Kansas City Royals 2009 · Kansas City Royals · MLB: 93 Kansas City Royals 2010 · Minnesota Twins · MLB: 119 Minnesota Twins
  • Boston Red Sox · MLB
  • Athletics · MLB
  • Texas Rangers · MLB
  • Kansas City Royals · MLB
  • Minnesota Twins · MLB
SeasonTeamLeagueERA+
2010 Minnesota Twins MLB 119
2009 Kansas City Royals MLB 93
2008 Kansas City Royals MLB 125
2007 Texas Rangers MLB 166
2006 Texas Rangers MLB 117
2005 Texas Rangers MLB 68
2004 Texas Rangers MLB 197
2003 Texas Rangers MLB 159
2000 Athletics MLB 53
1999 Athletics MLB 250
1998 Boston Red Sox MLB 138
1997 Boston Red Sox MLB 187