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. Exact values are listed in the table below. 0 1 2 3.01 4.01 5.01 1990 1991 1996 1997 1998 1999 2002 2004 1990 · Seattle Mariners · MLB: 4.54 1991 · Seattle Mariners · MLB: 3.25 1996 · Seattle Mariners · MLB: 3.63 1997 · Cleveland Guardians · MLB: 3.24 1998 · Cleveland Guardians · MLB: 1.55 1999 · Cleveland Guardians · MLB: 4.06 2002 · Minnesota Twins · MLB: 3.27 2004 · Chicago White Sox · MLB: 5.01
  • Seattle Mariners · MLB
  • Cleveland Guardians · MLB
  • Minnesota Twins · MLB
  • Chicago White 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 Jackson — ERA by season
SeasonTeamLeagueERA
2004 Chicago White Sox MLB 5.01
2002 Minnesota Twins MLB 3.27
1999 Cleveland Guardians MLB 4.06
1998 Cleveland Guardians MLB 1.55
1997 Cleveland Guardians MLB 3.24
1996 Seattle Mariners MLB 3.63
1991 Seattle Mariners MLB 3.25
1990 Seattle Mariners MLB 4.54