ERA+

Justin Masterson · Season-by-season history

ERA+ over time

Justin Masterson — 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 29.4 58.8 88.2 117.6 147 2008 2009 2010 2011 2012 2013 2014 2015 2008 · Boston Red Sox · MLB: 147 Boston Red Sox 2009 · Boston Red Sox · MLB: 104 Boston Red Sox 2010 · Cleveland Guardians · MLB: 84 Cleveland Guardians 2011 · Cleveland Guardians · MLB: 122 Cleveland Guardians 2012 · Cleveland Guardians · MLB: 79 Cleveland Guardians 2013 · Cleveland Guardians · MLB: 110 Cleveland Guardians 2014 · Cleveland Guardians · MLB: 71 Cleveland Guardians 2015 · Boston Red Sox · MLB: 77 Boston Red Sox
  • Boston Red Sox · MLB
  • Cleveland Guardians · MLB
SeasonTeamLeagueERA+
2015 Boston Red Sox MLB 77
2014 Cleveland Guardians MLB 71
2013 Cleveland Guardians MLB 110
2012 Cleveland Guardians MLB 79
2011 Cleveland Guardians MLB 122
2010 Cleveland Guardians MLB 84
2009 Boston Red Sox MLB 104
2008 Boston Red Sox MLB 147