ERA

Billy Koch · Season-by-season history

ERA over time

Billy Koch — ERA over time Each point is a recorded season value. Separate lines show each team and competition. Exact values are listed in the table below. 0 1.15 2.31 3.46 4.62 5.77 1999 2000 2001 2002 2003 2004 1999 · Toronto Blue Jays · MLB: 3.39 2000 · Toronto Blue Jays · MLB: 2.63 2001 · Toronto Blue Jays · MLB: 4.80 2002 · Athletics · MLB: 3.27 2003 · Chicago White Sox · MLB: 5.77 2004 · Chicago White Sox · MLB: 5.40
  • Toronto Blue Jays · MLB
  • Athletics · MLB
  • Chicago White Sox · MLB

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

Billy Koch — ERA by season
SeasonTeamLeagueERA
2004 Chicago White Sox MLB 5.40
2003 Chicago White Sox MLB 5.77
2002 Athletics MLB 3.27
2001 Toronto Blue Jays MLB 4.80
2000 Toronto Blue Jays MLB 2.63
1999 Toronto Blue Jays MLB 3.39