Jae Weong Seo
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003-04-06 | NYM | vs. MON | L, 8-5 | 4.2 | 10 | 3 | 3 | 0 | 2 | 23 | 2 | 0 | 0 | 4 | 7 | SP |
| 2003-04-12 | NYM | @ MON | L, 5-4 | 5.2 | 9 | 5 | 3 | 0 | 4 | 27 | 3 | 0 | 1 | 4 | 7 | SP, L |
| 2003-04-17 | NYM | @ PIT | W, 7-2 | 7.0 | 5 | 0 | 0 | 0 | 2 | 26 | 0 | 0 | 0 | 5 | 13 | SP, W |
| 2003-04-22 | NYM | vs. HOU | L, 6-2 | 5.0 | 8 | 4 | 4 | 0 | 2 | 21 | 3 | 0 | 1 | 7 | 3 | RP |
| 2003-04-27 | NYM | vs. ARI | L, 7-3 | 6.0 | 7 | 3 | 0 | 1 | 4 | 27 | 2 | 0 | 0 | 5 | 8 | SP, L |
| 2003-05-03 | NYM | @ MIL | L, 3-2 | 6.0 | 2 | 2 | 2 | 2 | 6 | 22 | 1 | 0 | 1 | 6 | 5 | SP |
| 2003-05-09 | NYM | vs. SDP | L, 5-4 | 5.0 | 6 | 3 | 3 | 3 | 4 | 23 | 2 | 0 | 0 | 5 | 5 | SP |
| 2003-05-14 | NYM | @ COL | L, 6-5 | 7.0 | 10 | 5 | 4 | 3 | 2 | 33 | 1 | 1 | 0 | 8 | 9 | SP |
| 2003-05-20 | NYM | vs. PHI | L, 11-7 | 6.0 | 5 | 1 | 1 | 2 | 4 | 26 | 2 | 0 | 1 | 3 | 11 | SP |
| 2003-05-25 | NYM | @ ATL | L, 3-1 | 7.0 | 3 | 1 | 1 | 0 | 2 | 25 | 1 | 0 | 1 | 3 | 15 | SP |
| 2003-05-31 | NYM | vs. ATL | W, 4-2 | 8.0 | 6 | 2 | 2 | 1 | 0 | 31 | 3 | 0 | 0 | 9 | 15 | SP, W |
| 2003-06-06 | NYM | vs. SEA | W, 3-2 | 7.0 | 8 | 2 | 1 | 4 | 4 | 33 | 4 | 0 | 0 | 2 | 13 | SP, W |
| 2003-06-11 | NYM | @ TEX | W, 8-2 | 7.0 | 8 | 2 | 2 | 1 | 6 | 31 | 2 | 0 | 0 | 6 | 9 | SP, W |
| 2003-06-17 | NYM | @ FLA | W, 5-0 | 6.2 | 1 | 0 | 0 | 0 | 4 | 20 | 0 | 0 | 0 | 5 | 10 | SP, W |
| 2003-06-27 | NYM | @ NYY | L, 6-4 | 5.1 | 9 | 6 | 6 | 1 | 3 | 27 | 2 | 0 | 0 | 3 | 10 | SP, L |
| 2003-07-02 | NYM | vs. MON | L, 11-4 | 3.1 | 6 | 5 | 4 | 2 | 1 | 18 | 2 | 0 | 0 | 4 | 4 | SP, L |
| 2003-07-07 | NYM | vs. ATL | L, 7-3 | 6.0 | 8 | 6 | 6 | 0 | 6 | 27 | 2 | 0 | 2 | 5 | 6 | SP, L |
| 2003-07-12 | NYM | vs. PHI | L, 4-2 | 6.0 | 7 | 2 | 2 | 2 | 4 | 26 | 3 | 0 | 1 | 6 | 7 | SP |
| 2003-07-18 | NYM | @ ATL | L, 11-4 | 4.0 | 5 | 5 | 4 | 3 | 2 | 20 | 0 | 0 | 0 | 6 | 3 | SP, L |
| 2003-07-23 | NYM | @ MON | L, 5-2 | 5.0 | 8 | 5 | 5 | 1 | 5 | 25 | 3 | 1 | 0 | 4 | 6 | SP, L |
| 2003-07-28 | NYM | vs. MIL | L, 4-2 | 7.0 | 5 | 2 | 2 | 4 | 5 | 28 | 2 | 0 | 1 | 8 | 5 | SP |
| 2003-08-02 | NYM | vs. STL | L, 10-9 | 4.0 | 7 | 7 | 7 | 2 | 2 | 21 | 1 | 0 | 3 | 6 | 4 | SP, L |
| 2003-08-09 | NYM | @ ARI | L, 2-1 | 6.0 | 4 | 1 | 1 | 3 | 2 | 24 | 2 | 1 | 0 | 6 | 9 | SP |
| 2003-08-16 | NYM | vs. COL | W, 13-4 | 5.0 | 7 | 4 | 4 | 0 | 1 | 22 | 2 | 1 | 1 | 7 | 6 | SP, W |
| 2003-08-21 | NYM | @ SDP | W, 5-1 | 6.0 | 6 | 1 | 1 | 1 | 2 | 26 | 3 | 1 | 0 | 7 | 9 | SP, W |
| 2003-08-26 | NYM | @ ATL | W, 6-5 | 5.0 | 4 | 2 | 2 | 0 | 5 | 19 | 3 | 0 | 1 | 3 | 6 | SP, W |
| 2003-08-31 | NYM | vs. PHI | L, 4-1 | 6.0 | 4 | 4 | 4 | 1 | 4 | 23 | 1 | 0 | 1 | 4 | 9 | SP, L |
| 2003-09-05 | NYM | @ PHI | L, 1-0 | 7.1 | 3 | 1 | 1 | 4 | 4 | 28 | 1 | 0 | 0 | 7 | 9 | SP, L |
| 2003-09-10 | NYM | vs. FLA | L, 7-3 | 5.0 | 7 | 4 | 1 | 1 | 2 | 25 | 3 | 0 | 1 | 5 | 6 | SP, L |
| 2003-09-16 | NYM | @ CHC | L, 3-2 | 6.0 | 5 | 3 | 2 | 1 | 6 | 26 | 1 | 0 | 1 | 5 | 7 | SP, L |
| 2003-09-21 | NYM | vs. MON | L, 4-2 | 7.1 | 5 | 1 | 1 | 2 | 8 | 29 | 3 | 0 | 1 | 7 | 7 | SP |
| 2003-09-27 | NYM | @ FLA | W, 9-3 | 6.0 | 5 | 2 | 1 | 1 | 2 | 24 | 1 | 0 | 0 | 5 | 9 | SP, W |
| Total Games: 32 | ||||||||||||||||