ERA+

Mike Jackson · Season-by-season history

ERA+ over time

Mike Jackson — 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 61.8 123.6 185.4 247.2 309 1990 1991 1996 1997 1998 1999 2002 2004 1990 · Seattle Mariners · MLB: 87 Seattle Mariners 1991 · Seattle Mariners · MLB: 127 Seattle Mariners 1996 · Seattle Mariners · MLB: 137 Seattle Mariners 1997 · Cleveland Guardians · MLB: 145 Cleveland Guardians 1998 · Cleveland Guardians · MLB: 309 Cleveland Guardians 1999 · Cleveland Guardians · MLB: 123 Cleveland Guardians 2002 · Minnesota Twins · MLB: 137 Minnesota Twins 2004 · Chicago White Sox · MLB: 94 Chicago White Sox
  • Seattle Mariners · MLB
  • Cleveland Guardians · MLB
  • Minnesota Twins · MLB
  • Chicago White Sox · MLB
SeasonTeamLeagueERA+
2004 Chicago White Sox MLB 94
2002 Minnesota Twins MLB 137
1999 Cleveland Guardians MLB 123
1998 Cleveland Guardians MLB 309
1997 Cleveland Guardians MLB 145
1996 Seattle Mariners MLB 137
1991 Seattle Mariners MLB 127
1990 Seattle Mariners MLB 87