ERA+

Jesse Hahn · Season-by-season history

ERA+ over time

Jesse Hahn — 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. 0 182.4 364.8 547.2 729.6 912 2015 2016 2017 2019 2020 2021 2025 2015 · Athletics · MLB: 117 Athletics 2016 · Athletics · MLB: 68 Athletics 2017 · Athletics · MLB: 79 Athletics 2019 · Kansas City Royals · MLB: 38 2020 · Kansas City Royals · MLB: 912 Kansas City Royals 2021 · Kansas City Royals · MLB: 37 2025 · Seattle Mariners · MLB: 75 Seattle Mariners
  • Athletics · MLB
  • Kansas City Royals · MLB
  • Seattle Mariners · MLB
SeasonTeamLeagueERA+
2025 Seattle Mariners MLB 75
2021 Kansas City Royals MLB 37
2020 Kansas City Royals MLB 912
2019 Kansas City Royals MLB 38
2017 Athletics MLB 79
2016 Athletics MLB 68
2015 Athletics MLB 117