ERA+

George Kirby · Season-by-season history

ERA+ over time

George Kirby — 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 23.6 47.2 70.8 94.4 118 2022 2023 2024 2025 2022 · Seattle Mariners · MLB: 109 Seattle Mariners 2023 · Seattle Mariners · MLB: 118 Seattle Mariners 2024 · Seattle Mariners · MLB: 105 Seattle Mariners 2025 · Seattle Mariners · MLB: 90 Seattle Mariners
  • Seattle Mariners · MLB
SeasonTeamLeagueERA+
2025 Seattle Mariners MLB 90
2024 Seattle Mariners MLB 105
2023 Seattle Mariners MLB 118
2022 Seattle Mariners MLB 109