Bio
Full name: Jeffrey Charles WeaverPosition: Pitcher
Number: 18
Born: 08/22/76
Birthplace: Northridge, CA
Height: 6'5"
Weight: 200
Bats: Right
Throws: Right
MLB Debut: 04/14/99
College: Fresno State
Career Stats
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | SVO | IP | H | R | ER | HR | HBP | BB | SO |
| 1999 | DET | 9 | 12 | 5.55 | 30 | 29 | 0 | 0 | 0 | -- | 163.2 | 176 | 104 | 101 | 27 | 17 | 56 | 114 |
| 2000 | DET | 11 | 15 | 4.32 | 31 | 30 | 2 | 0 | 0 | -- | 200.0 | 205 | 102 | 96 | 26 | 14 | 52 | 136 |
| 2001 | DET | 13 | 16 | 4.08 | 33 | 33 | 5 | 0 | 0 | -- | 229.1 | 235 | 116 | 104 | 19 | 14 | 68 | 152 |
| 2002 | DET | 6 | 8 | 3.18 | 17 | 17 | 3 | 3 | 0 | -- | 121.2 | 112 | 50 | 43 | 4 | 8 | 33 | 75 |
| 2002 | NYY | 5 | 3 | 4.04 | 15 | 8 | 0 | 0 | 2 | 2 | 78.0 | 81 | 38 | 35 | 12 | 3 | 15 | 57 |
| 2003 | NYY | 3 | 2 | 5.15 | 9 | 9 | 0 | 0 | 0 | 0 | 57.2 | 72 | 36 | 33 | 2 | 3 | 37 | 35 |
| TOTAL: | 47 | 56 | 4.36 | 135 | 126 | 10 | 3 | 2 | 2 | 850.1 | 881 | 446 | 412 | 90 | 59 | 244 | 571 |