ERA+
David Wells · Season-by-season history
ERA+ over time
- Toronto Blue Jays · MLB
- Detroit Tigers · MLB
- Baltimore Orioles · MLB
- New York Yankees · MLB
- Chicago White Sox · MLB
- Boston Red Sox · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2006 |  Boston Red Sox |
MLB | 96 |
| 2005 | Boston Red Sox |
MLB | 102 |
| 2003 |  New York Yankees |
MLB | 106 |
| 2002 | New York Yankees |
MLB | 118 |
| 2001 |  Chicago White Sox |
MLB | 104 |
| 2000 |  Toronto Blue Jays |
MLB | 123 |
| 1999 | Toronto Blue Jays |
MLB | 101 |
| 1998 | New York Yankees |
MLB | 127 |
| 1997 | New York Yankees |
MLB | 107 |
| 1996 |  Baltimore Orioles |
MLB | 97 |
| 1995 |  Detroit Tigers |
MLB | 159 |
| 1994 | Detroit Tigers |
MLB | 123 |
| 1993 | Detroit Tigers |
MLB | 103 |
| 1992 | Toronto Blue Jays |
MLB | 76 |
| 1991 | Toronto Blue Jays |
MLB | 114 |
| 1990 | Toronto Blue Jays |
MLB | 131 |