Jesse Jefferson had a record of 6-5 with an ERA of 4.11 and 52 strikeouts in 18 appearances in his rookie season in 1973.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Jefferson | 1973 | 18 | 6 | 5 | .545 | 15 | 4.11 | 52 | 3 | 0 | 0 | 100.2 | 104 | 46 | 53 | 15 | 46 | 0 | 2 | 1 | 439 | 8 | 4.65 | 4.11 | 1.13 | 1.34 | 11.8 | 10.5 | 1.49 | .273 | 4.74 | 111 | 4.83 | 131 | 9.30 | -13.4 |
BAL| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | J. Jefferson | 9/29/1973 | 1973 | vs | 0 | 0.00 | 4 | 0 | 0 | 0 | 3.1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 12 | 0 | |||
| 2 | | J. Jefferson | 9/25/1973 | 1973 | vs | W | 1 | 4.50 | 2 | 0 | 0 | 0 | 6.0 | 8 | 3 | 3 | 0 | 4 | 0 | 0 | 0 | 29 | 0 | ||
| 3 | | J. Jefferson | 9/18/1973 | 1973 | @ | W | 1 | 2.00 | 8 | 1 | 0 | 0 | 9.0 | 8 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 36 | 0 | ||
| 4 | | J. Jefferson | 9/10/1973 | 1973 | vs | L | 1 | 7.20 | 0 | 0 | 0 | 0 | 5.0 | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 25 | 1 | ||
| 5 | | J. Jefferson | 9/3/1973 | 1973 | @ | 1 | 3.52 | 3 | 0 | 0 | 0 | 7.2 | 9 | 3 | 7 | 1 | 4 | 0 | 0 | 0 | 35 | 0 | |||
| 6 | | J. Jefferson | 8/14/1973 | 1973 | @ | 0 | 18.00 | 0 | 0 | 0 | 0 | 2.0 | 3 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 10 | 0 | |||
| 7 | | J. Jefferson | 8/7/1973 | 1973 | @ | L | 1 | 6.35 | 2 | 0 | 0 | 0 | 5.2 | 6 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 26 | 0 | ||
| 8 | | J. Jefferson | 8/3/1973 | 1973 | vs | W | 1 | 2.00 | 9 | 1 | 0 | 0 | 9.0 | 5 | 2 | 2 | 1 | 4 | 0 | 0 | 0 | 36 | 1 | ||
| 9 | | J. Jefferson | 7/30/1973 | 1973 | vs | L | 1 | 7.71 | 1 | 0 | 0 | 0 | 4.2 | 6 | 4 | 4 | 3 | 2 | 0 | 0 | 0 | 22 | 0 | ||
| 10 | | J. Jefferson | 7/27/1973 | 1973 | vs | 1 | 6.00 | 2 | 0 | 0 | 0 | 3.0 | 6 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 15 | 1 | |||
| 11 | | J. Jefferson | 7/20/1973 | 1973 | @ | L | 1 | 11.57 | 0 | 0 | 0 | 0 | 2.1 | 5 | 3 | 4 | 0 | 3 | 0 | 0 | 1 | 15 | 0 | ||
| 12 | | J. Jefferson | 7/16/1973 | 1973 | @ | 1 | 7.20 | 4 | 0 | 0 | 0 | 5.0 | 5 | 4 | 5 | 2 | 3 | 0 | 0 | 0 | 22 | 1 | |||
| 13 | | J. Jefferson | 7/12/1973 | 1973 | @ | W | 1 | 2.57 | 5 | 0 | 0 | 0 | 7.0 | 6 | 2 | 3 | 0 | 2 | 0 | 0 | 0 | 27 | 2 | ||
| 14 | | J. Jefferson | 7/8/1973 | 1973 | vs | 1 | 3.00 | 3 | 0 | 0 | 0 | 6.0 | 6 | 2 | 2 | 1 | 5 | 0 | 0 | 0 | 29 | 1 | |||
| 15 | | J. Jefferson | 7/3/1973 | 1973 | vs | W | 0 | 0.00 | 2 | 0 | 0 | 0 | 3.0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 11 | 0 | ||
| 16 | | J. Jefferson | 7/2/1973 | 1973 | vs | L | 1 | 4.91 | 3 | 0 | 0 | 0 | 7.1 | 5 | 4 | 4 | 2 | 5 | 0 | 0 | 0 | 30 | 2 | ||
| 17 | | J. Jefferson | 6/28/1973 | 1973 | vs | 1 | 3.86 | 3 | 0 | 0 | 0 | 4.2 | 7 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 21 | 0 | |||
| 18 | | J. Jefferson | 6/23/1973 | 1973 | @ | W | 1 | 0.90 | 1 | 1 | 0 | 0 | 10.0 | 7 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 38 | 0 | ||
| Total | 15 | 4.11 | 52 | 3 | 0 | 0 | 100.2 | 104 | 46 | 53 | 15 | 46 | 0 | 2 | 1 | 439 | 8 |
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