ERA+

Jackson Kowar · Season-by-season history

ERA+ over time

Jackson Kowar — 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 18.2 36.4 54.6 72.8 91 2021 2022 2023 2025 2021 · Kansas City Royals · MLB: 41 Kansas City Royals 2022 · Kansas City Royals · MLB: 43 Kansas City Royals 2023 · Kansas City Royals · MLB: 70 Kansas City Royals 2025 · Seattle Mariners · MLB: 91 Seattle Mariners
  • Kansas City Royals · MLB
  • Seattle Mariners · MLB
SeasonTeamLeagueERA+
2025 Seattle Mariners MLB 91
2023 Kansas City Royals MLB 70
2022 Kansas City Royals MLB 43
2021 Kansas City Royals MLB 41