ERA+

Clayton Mortensen · Season-by-season history

ERA+ over time

Clayton Mortensen — 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 26.4 52.8 79.2 105.6 132 2009 2010 2012 2013 2009 · Athletics · MLB: 57 Athletics 2010 · Athletics · MLB: 97 Athletics 2012 · Boston Red Sox · MLB: 132 Boston Red Sox 2013 · Boston Red Sox · MLB: 78 Boston Red Sox
  • Athletics · MLB
  • Boston Red Sox · MLB
SeasonTeamLeagueERA+
2013 Boston Red Sox MLB 78
2012 Boston Red Sox MLB 132
2010 Athletics MLB 97
2009 Athletics MLB 57