ERA+

Penn Murfee · Season-by-season history

ERA+ over time

Penn Murfee — 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 63 126 189 252 315 2022 2023 2025 2022 · Seattle Mariners · MLB: 124 2023 · Seattle Mariners · MLB: 315 2025 · Chicago White Sox · MLB: 55
  • Seattle Mariners · MLB
  • Chicago White Sox · MLB

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

Penn Murfee — ERA+ by season
SeasonTeamLeagueERA+
2025 Chicago White Sox MLB 55
2023 Seattle Mariners MLB 315
2022 Seattle Mariners MLB 124