ERA

Brennan Bernardino · Season-by-season history

ERA over time

Brennan Bernardino — ERA over time Each point is a recorded season value. Separate lines show each team and competition. Exact values are listed in the table below. 0 0.81 1.62 2.44 3.25 4.06 2022 2023 2024 2025 2022 · Seattle Mariners · MLB: 3.86 2023 · Boston Red Sox · MLB: 3.20 2024 · Boston Red Sox · MLB: 4.06 2025 · Boston Red Sox · MLB: 3.14
  • Seattle Mariners · MLB
  • Boston Red Sox · MLB

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

Brennan Bernardino — ERA by season
SeasonTeamLeagueERA
2025 Boston Red Sox MLB 3.14
2024 Boston Red Sox MLB 4.06
2023 Boston Red Sox MLB 3.20
2022 Seattle Mariners MLB 3.86