ERA+
Wilson Álvarez · Season-by-season history
ERA+ over time
- Chicago White Sox · MLB
- Tampa Bay Rays · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2002 |  Tampa Bay Rays |
MLB | 84 |
| 1999 | Tampa Bay Rays |
MLB | 117 |
| 1998 | Tampa Bay Rays |
MLB | 101 |
| 1997 |  Chicago White Sox |
MLB | 145 |
| 1996 | Chicago White Sox |
MLB | 113 |
| 1995 | Chicago White Sox |
MLB | 104 |
| 1994 | Chicago White Sox |
MLB | 135 |
| 1993 | Chicago White Sox |
MLB | 143 |
| 1992 | Chicago White Sox |
MLB | 75 |
| 1991 | Chicago White Sox |
MLB | 114 |