Joel Pineiro
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004-04-07 | SEA | vs. ANA | L, 10-7 | 4.0 | 9 | 8 | 8 | 4 | 6 | 24 | 2 | 0 | 2 | 2 | 3 | SP, L |
| 2004-04-13 | SEA | @ ANA | L, 7-5 | 5.2 | 8 | 4 | 4 | 3 | 2 | 27 | 1 | 0 | 2 | 7 | 7 | SP |
| 2004-04-18 | SEA | vs. TEX | W, 4-2 | 6.2 | 6 | 2 | 2 | 4 | 5 | 28 | 0 | 0 | 0 | 4 | 9 | SP, W |
| 2004-04-23 | SEA | @ TEX | L, 10-8 | 6.0 | 11 | 7 | 7 | 1 | 6 | 28 | 2 | 0 | 2 | 6 | 4 | SP, L |
| 2004-04-29 | SEA | @ BAL | L, 9-5 | 6.0 | 12 | 6 | 5 | 1 | 6 | 30 | 2 | 0 | 0 | 8 | 2 | SP, L |
| 2004-05-05 | SEA | vs. MIN | L, 5-1 | 6.0 | 9 | 5 | 3 | 2 | 1 | 29 | 3 | 0 | 1 | 7 | 9 | SP, L |
| 2004-05-11 | SEA | @ MIN | L, 7-6 | 7.0 | 6 | 2 | 2 | 1 | 3 | 28 | 1 | 1 | 1 | 11 | 6 | SP |
| 2004-05-16 | SEA | @ NYY | L, 2-1 | 8.0 | 5 | 2 | 2 | 3 | 6 | 30 | 0 | 0 | 1 | 4 | 12 | SP, L, CG |
| 2004-05-22 | SEA | vs. DET | L, 8-4 | 7.0 | 5 | 1 | 1 | 2 | 7 | 27 | 1 | 0 | 0 | 5 | 7 | SP |
| 2004-05-28 | SEA | @ BOS | L, 8-4 | 6.1 | 6 | 6 | 6 | 3 | 9 | 27 | 3 | 0 | 2 | 5 | 4 | SP, L |
| 2004-06-02 | SEA | vs. TOR | L, 5-3 | 7.1 | 7 | 5 | 5 | 2 | 6 | 31 | 2 | 0 | 1 | 11 | 4 | SP, L |
| 2004-06-08 | SEA | vs. HOU | L, 1-0 | 8.0 | 3 | 1 | 1 | 3 | 4 | 28 | 1 | 0 | 0 | 5 | 13 | SP, L |
| 2004-06-13 | SEA | vs. MON | W, 8-1 | 8.0 | 6 | 1 | 1 | 1 | 8 | 30 | 0 | 0 | 1 | 6 | 9 | SP, W |
| 2004-06-19 | SEA | @ PIT | W, 5-1 | 8.0 | 4 | 1 | 1 | 1 | 3 | 28 | 0 | 0 | 1 | 10 | 9 | SP, W |
| 2004-06-24 | SEA | @ TEX | L, 9-7 | 6.0 | 11 | 5 | 5 | 0 | 3 | 30 | 1 | 0 | 1 | 8 | 6 | SP |
| 2004-06-29 | SEA | vs. TEX | W, 4-3 | 7.0 | 5 | 3 | 2 | 2 | 9 | 29 | 2 | 1 | 0 | 7 | 5 | SP, W |
| 2004-07-04 | SEA | @ STL | L, 2-1 | 7.0 | 6 | 2 | 2 | 3 | 3 | 30 | 3 | 0 | 0 | 8 | 10 | SP, L |
| 2004-07-09 | SEA | @ CHW | L, 6-2 | 7.0 | 9 | 6 | 6 | 1 | 7 | 32 | 1 | 0 | 2 | 6 | 7 | SP, L |
| 2004-07-15 | SEA | vs. CLE | W, 2-1 | 8.0 | 4 | 1 | 1 | 2 | 5 | 29 | 1 | 0 | 1 | 12 | 6 | SP, W |
| 2004-07-20 | SEA | vs. BOS | L, 9-7 | 3.2 | 7 | 8 | 8 | 4 | 5 | 22 | 1 | 0 | 2 | 2 | 4 | SP, L |
| 2004-07-25 | SEA | vs. ANA | W, 6-2 | 8.0 | 5 | 1 | 1 | 0 | 7 | 29 | 2 | 0 | 1 | 4 | 11 | SP, W |
| Total Games: 21 | ||||||||||||||||