ERA

Luis Guerrero · Season-by-season history

ERA over time

Luis Guerrero — ERA over time Each bar is a recorded season value, grouped by season and coloured by team and competition. Bars extend from zero. Focus or hover over a bar for its exact value. 0 0.83 1.66 2.49 3.32 4.15 2024 2025 2024 · Boston Red Sox · MLB: 0.00 2025 · Boston Red Sox · MLB: 4.15 Boston Red Sox
  • Boston Red Sox · MLB
SeasonTeamLeagueERA
2025 Boston Red Sox MLB 4.15
2024 Boston Red Sox MLB 0.00