ERA+
David Cone · Season-by-season history
ERA+ over time
- Toronto Blue Jays · MLB
- Kansas City Royals · MLB
- New York Yankees · MLB
- Boston Red Sox · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2001 |  Boston Red Sox |
MLB | 104 |
| 2000 |  New York Yankees |
MLB | 70 |
| 1999 | New York Yankees |
MLB | 136 |
| 1998 | New York Yankees |
MLB | 125 |
| 1997 | New York Yankees |
MLB | 159 |
| 1996 | New York Yankees |
MLB | 175 |
| 1995 |  Toronto Blue Jays |
MLB | 140 |
| 1994 |  Kansas City Royals |
MLB | 171 |
| 1993 | Kansas City Royals |
MLB | 138 |
| 1992 | Toronto Blue Jays |
MLB | 161 |