ERA+
Frank Viola · Season-by-season history
ERA+ over time
- Boston Red Sox · MLB
- Toronto Blue Jays · MLB
Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 1996 |  Toronto Blue Jays |
MLB | 65 |
| 1994 |  Boston Red Sox |
MLB | 109 |
| 1993 | Boston Red Sox |
MLB | 148 |
| 1992 | Boston Red Sox |
MLB | 122 |