ERA

Jonathan Bowlan · Season-by-season history

ERA over time

Jonathan Bowlan — 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 2.7 5.4 8.1 10.8 13.5 2023 2024 2025 2023 · Kansas City Royals · MLB: 3.00 2024 · Kansas City Royals · MLB: 13.50 2025 · Kansas City Royals · MLB: 3.86
  • Kansas City Royals · MLB

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

Jonathan Bowlan — ERA by season
SeasonTeamLeagueERA
2025 Kansas City Royals MLB 3.86
2024 Kansas City Royals MLB 13.50
2023 Kansas City Royals MLB 3.00