ERA+

Stephen Kolek · Season-by-season history

ERA+ over time

Stephen Kolek — 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 43.4 86.8 130.2 173.6 217 2025 2025 · Kansas City Royals · MLB: 217
  • 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.

Stephen Kolek — ERA+ by season
SeasonTeamLeagueERA+
2025 Kansas City Royals MLB 217