| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1990 | GCL White Sox | GCL | Rk | - | chw | 18 | 50 | 9 | 7 | 37.1 | 4.10 | 1.34 | 7.71 | 0.24 | 4.34 | 7.71 | 0.56 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 21-42 | 8 | -- |
| 1991 | GCL White Sox | GCL | Rk | - | chw | 19 | - | 6 | 6 | 34.0 | 2.12 | 0.94 | 4.24 | -- | 4.24 | 12.71 | 0.33 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 30-29 | 4 | Jaime Garcia |
| Utica | NYPL | A- | - | chw | 19 | 85 | 7 | 7 | 37.1 | 5.30 | 1.79 | 9.64 | -- | 6.51 | 5.54 | 1.17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 39-37 | 3 | Mike Gellinger | |
| 1992 | South Bend | Midw | A | - | chw | 20 | 13 | 21 | 21 | 137.2 | 2.42 | 1.18 | 7.71 | 0.39 | 2.94 | 8.96 | 0.33 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 73-64 | 2 | Terry Francona |
| Sarasota | FSL | A+ | - | chw | 20 | - | 6 | 6 | 37.2 | 2.87 | 1.01 | 7.41 | 0.48 | 1.67 | 9.32 | 0.18 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 50-19 | 1 | John Tamargo | |
| 1993 | Birmingham | Sou | AA | - | chw | 21 | 26 | 17 | 17 | 120.0 | 2.25 | 1.14 | 7.05 | 0.45 | 3.23 | 8.03 | 0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 78-64 | 1 | Terry Francona |
| Nashville | Amer | AAA | - | chw | 21 | - | 10 | 10 | 69.0 | 2.61 | 1.14 | 5.61 | 0.65 | 4.70 | 7.96 | 0.59 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 81-62 | 1 | Rick Renick | |
| 1994 | Nashville | Amer | AAA | - | chw | 22 | 7 | 26 | 26 | 162.0 | 3.72 | 1.40 | 8.00 | 0.78 | 4.61 | 8.67 | 0.53 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 83-61 | 2 | Rick Renick |
| 1995 | Nashville | Amer | AAA | - | chw | 23 | 17 | 18 | 18 | 95.1 | 5.85 | 1.72 | 11.33 | 2.55 | 4.15 | 8.40 | 0.49 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 68-76 | 6 | Rick Renick |
| Chi White Sox | AL | MLB | 37 | chw | 23 | - | 6 | 4 | 14.2 | 12.89 | 2.80 | 19.64 | 3.68 | 5.52 | 6.14 | 0.90 | 0.38 | 0 | 0 | 72 | .444 | 81 | 3.94 | 43.3 | 56.7 | 7.2 | 68-76 | 3 | Terry Bevington, Gene Lamont | |
| 1996 | Nashville | Amer | AAA | - | chw | 24 | - | 2 | 2 | 14.0 | 0.64 | 0.64 | 3.21 | -- | 2.57 | 9.64 | 0.27 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 77-67 | 4 | Rick Renick |
| Chi White Sox | AL | MLB | 37 | chw | 24 | 17 | 28 | 28 | 169.0 | 4.42 | 1.33 | 8.95 | 1.28 | 3.04 | 6.76 | 0.45 | 0.56 | 13 | 4 | 654 | .257 | 719 | 3.38 | 39.8 | 60.2 | 8.6 | 85-77 | 2 | Terry Bevington | |
| 1997 | Chi White Sox | AL | MLB | 37 | chw | 25 | 28 | 32 | 32 | 200.0 | 5.27 | 1.44 | 9.23 | 0.86 | 3.74 | 6.30 | 0.59 | 0.62 | 14 | 5 | 782 | .262 | 878 | 3.37 | 38.0 | 62.0 | 7.1 | 80-81 | 2 | Terry Bevington |
| 1998 | Chi White Sox | AL | MLB | 37 | chw | 26 | - | 37 | 24 | 159.0 | 5.32 | 1.48 | 9.96 | 1.02 | 3.40 | 6.11 | 0.56 | 0.68 | 11 | 10 | 634 | .278 | 712 | 3.56 | 39.3 | 60.7 | 7.1 | 80-82 | 2 | Jerry Manuel |
| 1999 | Chi White Sox | AL | MLB | 37 | chw | 27 | 37 | 35 | 33 | 199.1 | 5.10 | 1.51 | 9.89 | 1.54 | 3.66 | 5.55 | 0.66 | 0.78 | 16 | 7 | 787 | .278 | 886 | 3.71 | 40.2 | 59.8 | 6.9 | 75-86 | 2 | Jerry Manuel |
| 2000 | Chi White Sox | AL | MLB | 37 | chw | 28 | 21 | 29 | 28 | 178.0 | 4.65 | 1.37 | 9.35 | 1.72 | 2.98 | 5.87 | 0.51 | 1.09 | 13 | 8 | 680 | .272 | 758 | 3.67 | 37.1 | 62.9 | 7.6 | 95-67 | 1 | Jerry Manuel |
| 2001 | Charlotte | IL | AAA | - | chw | 29 | - | 2 | 2 | 12.0 | 5.25 | 1.17 | 9.00 | 1.50 | 1.50 | 8.25 | 0.18 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 67-77 | 4 | Nick Leyva |
| Chi White Sox | AL | MLB | 37 | chw | 29 | 71 | 17 | 16 | 95.2 | 4.61 | 1.54 | 10.25 | 1.41 | 3.57 | 3.95 | 0.90 | 0.84 | 9 | 4 | 381 | .286 | 431 | 3.71 | 36.9 | 63.1 | 6.6 | 83-79 | 3 | Jerry Manuel | |
| LA Dodgers | NL | MLB | 30 | lad | 29 | - | 12 | 12 | 79.1 | 4.20 | 1.35 | 9.30 | 1.13 | 2.84 | 6.01 | 0.47 | 1.00 | 0 | 0 | 0 | -- | 0 | -- | 33.2 | 66.8 | 8.0 | 86-76 | 3 | Jim Tracy | |
| 2002 | Seattle | AL | MLB | 33 | sea | 30 | 72 | 30 | 23 | 150.0 | 5.28 | 1.52 | 10.74 | 1.56 | 2.94 | 5.28 | 0.56 | 0.83 | 11 | 7 | 600 | .298 | 662 | 3.49 | 36.0 | 64.0 | 6.9 | 93-69 | 3 | Lou Piniella |
| 2003 | Omaha | PCL | AAA | - | kc | 31 | - | 8 | 8 | 46.1 | 4.08 | 1.32 | 9.32 | 0.58 | 2.53 | 4.66 | 0.54 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 59-63 | 4 | Mike Jirschele |
| Rochester | IL | AAA | - | min | 31 | - | 5 | 5 | 29.2 | 2.43 | 0.94 | 7.58 | 0.61 | 0.91 | 5.46 | 0.17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 68-75 | 5 | Phil Roof | |
| Minnesota | AL | MLB | 30 | min | 31 | - | 10 | 0 | 15.0 | 5.40 | 1.67 | 12.60 | 3.60 | 2.40 | 4.20 | 0.57 | 0.81 | 0 | 0 | 63 | .333 | 69 | 3.20 | 35.7 | 64.3 | 6.3 | 90-72 | 1 | Ron Gardenhire | |
| 2004 | Toledo | IL | AAA | 53 | det | 32 | 8 | 18 | 16 | 115.2 | 3.73 | 1.12 | 8.56 | 0.93 | 1.56 | 4.75 | 0.33 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 65-78 | 4 | Larry Parrish |
| Norfolk | IL | AAA | 48 | nym | 32 | 8 | 5 | 5 | 31.0 | 2.90 | 1.26 | 9.87 | 0.87 | 1.45 | 6.97 | 0.21 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 72-72 | 3 | John Stearns | |
| NY Mets | NL | MLB | 38 | nym | 32 | - | 2 | 2 | 6.0 | 15.00 | 3.00 | 19.50 | 4.50 | 7.50 | 1.50 | 5.00 | 0.32 | 0 | 1 | 29 | .448 | 36 | 3.72 | 41.0 | 59.0 | 5.2 | 71-91 | 4 | Art Howe | |
| 2005 | Ottawa | IL | AAA | - | bal | 33 | - | 8 | 8 | 47.0 | 4.60 | 1.19 | 9.96 | 1.15 | 0.77 | 4.79 | 0.16 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 69-75 | 5 | Dave Trembley |
| Texas | AL | MLB | 39 | tex | 33 | - | 8 | 0 | 17.1 | 5.19 | 1.44 | 9.35 | 1.56 | 3.63 | 4.67 | 0.78 | 0.64 | 0 | 0 | 0 | -- | 0 | -- | 40.5 | 59.5 | 6.2 | 79-83 | 3 | Buck Showalter | |
| Baltimore | AL | MLB | 19,23 | bal | 33 | - | 20 | 0 | 39.1 | 3.20 | 1.14 | 8.24 | 1.14 | 2.06 | 4.58 | 0.45 | 0.46 | 0 | 2 | 147 | .245 | 162 | 3.56 | 36.1 | 63.9 | 5.6 | 74-88 | 4 | Lee Mazzilli, Sam Perlozzo | |
| 2006 | Syracuse | IL | AAA | - | tor | 34 | - | 2 | 0 | 2.2 | 3.37 | 1.50 | 13.50 | 3.37 | 0.00 | 3.37 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 64-79 | 6 | Mike Basso |
| MLB Totals (11 years) | 266 | 202 | 1322 | 8 | 1.46 | 9.82 | 1.38 | 3.31 | 5.75 | 0.58 | 0.72 | 87 | 48 | 4829 | .299 | 5394 | -- | 38.1 | 61.9 | 7.2 | .508 | -- | ||||||||
| Minor League Totals (12 years) | 170 | 164 | 1029 | 16 | 1.26 | 8.12 | 0.79 | 3.24 | 7.62 | 0.42 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .506 | -- | ||||||||
| AAA Totals (9 years) | 104 | 100 | 625 | 10 | 1.30 | 8.60 | 1.08 | 3.08 | 6.98 | 0.44 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .496 | -- | ||||||||
| AA Totals (1 year) | 17 | 17 | 120 | 0 | 1.14 | 7.05 | 0.45 | 3.23 | 8.03 | 0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .549 | -- | ||||||||
| A+ Totals (1 year) | 6 | 6 | 38 | 0 | 1.00 | 7.34 | 0.47 | 1.66 | 9.24 | 0.18 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .725 | -- | ||||||||
| A Totals (1 year) | 21 | 21 | 138 | 0 | 1.18 | 7.70 | 0.39 | 2.93 | 8.93 | 0.33 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .533 | -- | ||||||||
| A- Totals (1 year) | 7 | 7 | 37 | 0 | 1.81 | 9.73 | 0.00 | 6.57 | 5.59 | 1.17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .513 | -- | ||||||||
| Rookie Totals (2 years) | 15 | 13 | 71 | 6 | 1.15 | 6.08 | 0.13 | 4.31 | 10.14 | 0.42 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .418 | -- | ||||||||