ERA

Grant Balfour · Season-by-season history

ERA over time

Grant Balfour — 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 2.7 5.4 8.1 10.8 13.5 2001 2004 2008 2010 2012 2014 2015 2001 · Minnesota Twins · MLB: 13.50 Minnesota Twins 2003 · Minnesota Twins · MLB: 4.15 Minnesota Twins 2004 · Minnesota Twins · MLB: 4.35 Minnesota Twins 2007 · Tampa Bay Rays · MLB: 6.14 Tampa Bay Rays 2008 · Tampa Bay Rays · MLB: 1.54 Tampa Bay Rays 2009 · Tampa Bay Rays · MLB: 4.81 Tampa Bay Rays 2010 · Tampa Bay Rays · MLB: 2.28 Tampa Bay Rays 2011 · Athletics · MLB: 2.47 Athletics 2012 · Athletics · MLB: 2.53 Athletics 2013 · Athletics · MLB: 2.59 Athletics 2014 · Tampa Bay Rays · MLB: 4.91 Tampa Bay Rays 2015 · Tampa Bay Rays · MLB: 6.23 Tampa Bay Rays
  • Minnesota Twins · MLB
  • Tampa Bay Rays · MLB
  • Athletics · MLB
SeasonTeamLeagueERA
2015 Tampa Bay Rays MLB 6.23
2014 Tampa Bay Rays MLB 4.91
2013 Athletics MLB 2.59
2012 Athletics MLB 2.53
2011 Athletics MLB 2.47
2010 Tampa Bay Rays MLB 2.28
2009 Tampa Bay Rays MLB 4.81
2008 Tampa Bay Rays MLB 1.54
2007 Tampa Bay Rays MLB 6.14
2004 Minnesota Twins MLB 4.35
2003 Minnesota Twins MLB 4.15
2001 Minnesota Twins MLB 13.50