ERA+

Mason Miller · Season-by-season history

ERA+ over time

Mason Miller — 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 31.8 63.6 95.4 127.2 159 2023 2024 2025 2023 · Athletics · MLB: 112 2024 · Athletics · MLB: 159 2025 · Athletics · MLB: 112
  • Athletics · MLB

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

Mason Miller — ERA+ by season
SeasonTeamLeagueERA+
2025 Athletics MLB 112
2024 Athletics MLB 159
2023 Athletics MLB 112