ERA+

Dan Altavilla · Season-by-season history

ERA+ over time

Dan Altavilla — 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. 0 114.2 228.4 342.6 456.8 571 2016 2017 2018 2019 2020 2024 2025 2016 · Seattle Mariners · MLB: 571 Seattle Mariners 2017 · Seattle Mariners · MLB: 99 Seattle Mariners 2018 · Seattle Mariners · MLB: 158 Seattle Mariners 2019 · Seattle Mariners · MLB: 80 Seattle Mariners 2020 · Seattle Mariners · MLB: 57 Seattle Mariners 2024 · Kansas City Royals · MLB: 31 Kansas City Royals 2025 · Chicago White Sox · MLB: 170 Chicago White Sox
  • Seattle Mariners · MLB
  • Kansas City Royals · MLB
  • Chicago White Sox · MLB
SeasonTeamLeagueERA+
2025 Chicago White Sox MLB 170
2024 Kansas City Royals MLB 31
2020 Seattle Mariners MLB 57
2019 Seattle Mariners MLB 80
2018 Seattle Mariners MLB 158
2017 Seattle Mariners MLB 99
2016 Seattle Mariners MLB 571