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 1.12 2.24 3.37 4.49 5.61 2008 2009 2010 2011 2012 2013 2014 2015 2008 · Boston Red Sox · MLB: 3.16 Boston Red Sox 2009 · Boston Red Sox · MLB: 4.50 Boston Red Sox 2010 · Cleveland Guardians · MLB: 4.70 Cleveland Guardians 2011 · Cleveland Guardians · MLB: 3.21 Cleveland Guardians 2012 · Cleveland Guardians · MLB: 4.93 Cleveland Guardians 2013 · Cleveland Guardians · MLB: 3.45 Cleveland Guardians 2014 · Cleveland Guardians · MLB: 5.51 Cleveland Guardians 2015 · Boston Red Sox · MLB: 5.61 Boston Red Sox
  • Boston Red Sox · MLB
  • Cleveland Guardians · MLB
SeasonTeamLeagueERA
2015 Boston Red Sox MLB 5.61
2014 Cleveland Guardians MLB 5.51
2013 Cleveland Guardians MLB 3.45
2012 Cleveland Guardians MLB 4.93
2011 Cleveland Guardians MLB 3.21
2010 Cleveland Guardians MLB 4.70
2009 Boston Red Sox MLB 4.50
2008 Boston Red Sox MLB 3.16