ERA+

Mike Hartley · Season-by-season history

ERA+ over time

Mike Hartley — ERA+ over time Each bar is a recorded season value, grouped by season and coloured by team and competition. Bars extend from zero. Exact values are listed in the table below. 0 21.8 43.6 65.4 87.2 109 1993 1995 1993 · Minnesota Twins · MLB: 109 1995 · Boston Red Sox · MLB: 56
  • Minnesota Twins · MLB
  • Boston Red Sox · MLB

Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.

Mike Hartley — ERA+ by season
SeasonTeamLeagueERA+
1995 Boston Red Sox MLB 56
1993 Minnesota Twins MLB 109