ERA

Mark Leiter Jr. · Season-by-season history

ERA over time

Mark Leiter Jr. — 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 2.7 5.4 8.1 10.8 13.5 2018 2024 2025 2018 · Toronto Blue Jays · MLB: 13.50 2024 · New York Yankees · MLB: 4.98 2025 · New York Yankees · MLB: 4.84
  • Toronto Blue Jays · MLB
  • New York Yankees · MLB

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

Mark Leiter Jr. — ERA by season
SeasonTeamLeagueERA
2025 New York Yankees MLB 4.84
2024 New York Yankees MLB 4.98
2018 Toronto Blue Jays MLB 13.50