| 1994 | Azl Padres | Ariz | Rk | - | sd | 19 | 6 | 13 | 13 | 67.0 | 4.43 | 1.22 | 8.73 | -- | 2.28 | 10.21 | 0.22 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 28-27 | 5 | Barry Moss |
| | Spokane | Nwst | A- | - | sd | 19 | - | 2 | 2 | 7.1 | 6.14 | 2.59 | 9.82 | -- | 13.50 | 4.91 | 2.75 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 30-46 | 4 | Tye Waller |
| 1995 | Idaho Falls | Pio | Rk | - | sd | 20 | 10 | 14 | 14 | 81.0 | 4.33 | 1.27 | 6.78 | 0.33 | 4.67 | 7.22 | 0.65 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 42-29 | 2 | Mike Basso |
| | Rancho Cucamonga | Calif | A+ | - | sd | 20 | - | 12 | 12 | 57.1 | 4.24 | 1.92 | 9.58 | 0.16 | 7.69 | 5.18 | 1.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 68-71 | 4 | Marty Barrett |
| 1996 | Clinton | Midw | A | - | sd | 21 | 52 | 16 | 16 | 96.1 | 2.80 | 1.22 | 6.17 | 0.28 | 4.86 | 10.18 | 0.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 64-70 | 3 | Mike Ramsey |
| | Rancho Cucamonga | Calif | A+ | - | sd | 21 | - | 11 | 11 | 56.1 | 5.59 | 1.54 | 9.75 | 1.28 | 4.15 | 11.98 | 0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 69-71 | 5 | Mike Basso |
| 1997 | Rancho Cucamonga | Calif | A+ | - | sd | 22 | 35 | 14 | 14 | 101.0 | 1.60 | 1.04 | 6.59 | 0.27 | 2.76 | 9.71 | 0.28 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 77-63 | 1 | Mike Basso |
| | Mobile | Sou | AA | - | sd | 22 | 57 | 13 | 13 | 88.0 | 2.56 | 1.31 | 8.49 | 0.41 | 3.27 | 9.41 | 0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 69-68 | 4 | Mike Ramsey |
| 1998 | Las Vegas | PCL | AAA | - | sd | 23 | 8 | 27 | 27 | 171.2 | 3.98 | 1.41 | 8.23 | 0.63 | 4.46 | 8.39 | 0.53 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 70-72 | 3 | Jerry Royster |
| | San Diego | NL | MLB | 31 | sd | 23 | - | 4 | 2 | 13.2 | 4.61 | 1.61 | 9.88 | -- | 4.61 | 8.56 | 0.54 | 1.21 | 1 | 0 | 53 | .283 | 62 | 3.81 | 40.3 | 59.7 | 8.9 | 98-64 | 1 | Bruce Bochy |
| 1999 | San Diego | NL | MLB | 31 | sd | 24 | 67 | 31 | 31 | 180.2 | 4.48 | 1.53 | 9.46 | 0.90 | 4.28 | 6.73 | 0.64 | 1.18 | 16 | 9 | 695 | .273 | 803 | 3.62 | 41.4 | 58.6 | 9.2 | 74-88 | 4 | Bruce Bochy |
| 2000 | San Diego | NL | MLB | 21 | sd | 25 | 20 | 34 | 34 | 205.0 | 5.14 | 1.56 | 8.52 | 0.97 | 5.49 | 7.46 | 0.74 | 1.62 | 16 | 16 | 782 | .248 | 940 | 3.83 | 42.6 | 57.4 | 10.3 | 76-86 | 5 | Bruce Bochy |
| 2001 | Florida | NL | MLB | 51 | fla | 26 | 70 | 31 | 31 | 169.1 | 5.05 | 1.52 | 9.14 | 0.80 | 4.52 | 7.12 | 0.63 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 76-86 | 4 | Tony Perez, John Boles |
| 2002 | Chi Cubs | NL | MLB | 30 | chc | 27 | 11 | 32 | 32 | 205.0 | 3.60 | 1.20 | 7.11 | 0.79 | 3.73 | 9.44 | 0.40 | 1.47 | 15 | 6 | 752 | .215 | 858 | 3.79 | 38.4 | 61.6 | 13.7 | 67-95 | 5 | Don Baylor, Bruce Kimm |
| 2003 | Chi Cubs | NL | MLB | 30 | chc | 28 | 21 | 32 | 32 | 201.2 | 4.11 | 1.23 | 7.54 | 0.98 | 3.53 | 7.63 | 0.46 | 1.21 | 20 | 14 | 746 | .227 | 851 | 3.71 | 37.6 | 62.4 | 11.9 | 88-74 | 1 | Dusty Baker |
| 2004 | Chi Cubs | NL | MLB | 30 | chc | 29 | 23 | 30 | 30 | 181.0 | 3.68 | 1.28 | 7.71 | 1.14 | 3.83 | 9.45 | 0.41 | 1.02 | 18 | 12 | 677 | .229 | 775 | 3.92 | 38.2 | 61.8 | 13.7 | 89-73 | 3 | Dusty Baker |
| 2005 | Boston | AL | MLB | 30 | bos | 30 | 27 | 32 | 32 | 191.0 | 4.57 | 1.36 | 9.05 | 0.85 | 3.20 | 6.88 | 0.47 | 0.88 | 18 | 16 | 738 | .260 | 830 | 3.83 | 38.1 | 61.9 | 11.0 | 95-67 | 2 | Terry Francona |
| 2006 | GCL Red Sox | GCL | Rk | - | bos | 31 | - | 1 | 1 | 1.0 | 0.00 | 1.00 | 9.00 | -- | 0.00 | 9.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 35-19 | 1 | Dave Tomlin |
| | Boston | AL | MLB | 30 | bos | 31 | - | 12 | 12 | 65.1 | 6.61 | 1.76 | 10.61 | 1.10 | 5.23 | 5.92 | 0.88 | 0.94 | 4 | 6 | 265 | .291 | 310 | 3.74 | 41.5 | 58.5 | 8.8 | 86-76 | 3 | Terry Francona |
| 2008 | Palm Beach | FSL | A+ | - | stl | 33 | - | 1 | 1 | 6.0 | 0.00 | 0.17 | 1.50 | -- | 0.00 | 7.50 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 75-62 | 1 | Gaylen Pitts |
| | Springfield | Tex | AA | - | stl | 33 | - | 2 | 2 | 10.0 | 5.40 | 1.50 | 10.80 | 0.90 | 2.70 | 4.50 | 0.60 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 76-64 | 1 | Ron Warner |
| | Memphis | PCL | AAA | 33 | stl | 33 | - | 13 | 1 | 16.2 | 7.02 | 1.80 | 9.18 | 2.70 | 7.02 | 5.40 | 1.30 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 75-67 | 2 | Chris Maloney |
| Minor League Totals (7 years) | 139 | 127 | 759 | 6 | 1.35 | 7.91 | 0.47 | 4.28 | 8.82 | 0.49 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .516 | -- | |
| AAA Totals (2 years) | 40 | 28 | 189 | 2 | 1.44 | 8.29 | 0.81 | 4.67 | 8.10 | 0.58 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .511 | -- | |
| AA Totals (2 years) | 15 | 15 | 98 | 0 | 1.33 | 8.72 | 0.46 | 3.21 | 8.91 | 0.36 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .523 | -- | |
| A+ Totals (4 years) | 38 | 38 | 220 | 1 | 1.38 | 8.06 | 0.49 | 4.34 | 9.08 | 0.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .520 | -- | |
| A Totals (1 year) | 16 | 16 | 96 | 0 | 1.23 | 6.19 | 0.28 | 4.88 | 10.22 | 0.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .478 | -- | |
| A- Totals (1 year) | 2 | 2 | 7 | 1 | 2.71 | 10.29 | 0.00 | 14.14 | 5.14 | 2.75 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .395 | -- | |
| Rookie Totals (3 years) | 28 | 28 | 149 | 2 | 1.25 | 7.67 | 0.18 | 3.56 | 8.58 | 0.42 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .583 | -- | |