ERA

Zach Jackson · Season-by-season history

ERA over time

Zach 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 1.87 3.74 5.61 7.48 9.35 2008 2009 2022 2023 2008 · Cleveland Guardians · MLB: 5.60 2009 · Cleveland Guardians · MLB: 9.35 2022 · Athletics · MLB: 3.00 2023 · Athletics · MLB: 2.50
  • Cleveland Guardians · MLB
  • Athletics · MLB

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

Zach Jackson — ERA by season
SeasonTeamLeagueERA
2023 Athletics MLB 2.50
2022 Athletics MLB 3.00
2009 Cleveland Guardians MLB 9.35
2008 Cleveland Guardians MLB 5.60