ERA+
Mark Leiter Jr. · Season-by-season history
ERA+ over time
- 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.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2025 |  New York Yankees |
MLB | 84 |
| 2024 | New York Yankees |
MLB | 82 |
| 2018 |  Toronto Blue Jays |
MLB | 33 |