ERA

Kyle Harrison · Season-by-season history

ERA over time

Kyle Harrison — 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 0.6 1.2 1.8 2.4 3 2025 2025 · Boston Red Sox · MLB: 3.00
  • 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.

Kyle Harrison — ERA by season
SeasonTeamLeagueERA
2025 Boston Red Sox MLB 3.00