Luis Castillo
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023-03-30 | SEA | vs. CLE | W, 3-0 | 6.0 | 1 | 0 | 0 | 0 | 6 | 19 | 0 | 0 | 0 | 5 | 7 | SP |
| 2023-04-04 | SEA | vs. LAA | W, 11-2 | 5.2 | 2 | 0 | 0 | 2 | 6 | 21 | 2 | 0 | 0 | 7 | 4 | SP, W |
| 2023-04-10 | SEA | @ CHC | L, 3-2 | 6.0 | 6 | 2 | 2 | 2 | 5 | 25 | 1 | 0 | 0 | 5 | 7 | SP |
| 2023-04-16 | SEA | vs. COL | W, 1-0 | 7.0 | 2 | 0 | 0 | 0 | 9 | 23 | 0 | 0 | 0 | 6 | 6 | SP, W |
| 2023-04-22 | SEA | vs. STL | W, 5-4 | 5.0 | 7 | 3 | 3 | 2 | 8 | 24 | 2 | 0 | 0 | 1 | 6 | SP |
| 2023-04-28 | SEA | @ TOR | L, 3-2 | 5.0 | 6 | 2 | 2 | 2 | 4 | 23 | 2 | 0 | 1 | 5 | 6 | SP |
| 2023-05-05 | SEA | vs. HOU | L, 6-4 | 7.0 | 5 | 4 | 4 | 1 | 5 | 26 | 2 | 0 | 1 | 9 | 5 | SP |
| 2023-05-10 | SEA | vs. TEX | L, 4-3 | 5.0 | 8 | 3 | 3 | 0 | 9 | 24 | 3 | 0 | 1 | 0 | 6 | SP, L |
| 2023-05-16 | SEA | @ BOS | L, 9-4 | 5.0 | 6 | 7 | 5 | 2 | 6 | 24 | 2 | 1 | 3 | 5 | 4 | SP, L |
| 2023-05-22 | SEA | vs. OAK | W, 11-2 | 6.0 | 4 | 0 | 0 | 2 | 8 | 24 | 1 | 0 | 0 | 6 | 4 | SP, W |
| 2023-05-27 | SEA | vs. PIT | W, 5-0 | 6.0 | 1 | 0 | 0 | 2 | 10 | 22 | 1 | 0 | 0 | 5 | 3 | SP, W |
| 2023-06-02 | SEA | @ TEX | L, 2-0 | 7.0 | 5 | 1 | 1 | 1 | 6 | 26 | 0 | 0 | 0 | 6 | 8 | SP, L |
| 2023-06-09 | SEA | @ LAA | L, 5-4 | 6.0 | 6 | 5 | 3 | 1 | 10 | 26 | 2 | 0 | 2 | 2 | 5 | SP, L |
| 2023-06-14 | SEA | vs. MIA | L, 4-1 | 5.2 | 2 | 2 | 2 | 6 | 6 | 24 | 0 | 0 | 1 | 4 | 6 | SP, L |
| 2023-06-21 | SEA | @ NYY | L, 4-2 | 5.0 | 4 | 3 | 3 | 4 | 3 | 22 | 0 | 0 | 2 | 1 | 10 | SP, L |
| 2023-06-26 | SEA | vs. WAS | W, 8-4 | 7.0 | 7 | 3 | 2 | 1 | 7 | 28 | 1 | 0 | 2 | 5 | 7 | SP, W |
| 2023-07-02 | SEA | vs. TBR | W, 7-6 | 6.0 | 7 | 6 | 4 | 0 | 6 | 27 | 2 | 0 | 2 | 7 | 5 | SP |
| 2023-07-07 | SEA | @ HOU | W, 10-1 | 7.0 | 5 | 1 | 0 | 0 | 3 | 27 | 1 | 0 | 0 | 9 | 9 | SP, W |
| 2023-07-14 | SEA | vs. DET | L, 5-4 | 5.0 | 4 | 3 | 3 | 0 | 5 | 19 | 0 | 0 | 2 | 5 | 5 | SP, L |
| 2023-07-19 | SEA | vs. MIN | L, 6-3 | 6.0 | 6 | 3 | 3 | 2 | 11 | 26 | 0 | 0 | 2 | 4 | 3 | SP |
| 2023-07-24 | SEA | @ MIN | L, 4-3 | 7.0 | 4 | 2 | 2 | 2 | 9 | 25 | 0 | 1 | 0 | 2 | 8 | SP |
| 2023-07-30 | SEA | @ ARI | W, 4-0 | 6.0 | 2 | 0 | 0 | 1 | 7 | 21 | 0 | 0 | 0 | 2 | 7 | SP, W |
| 2023-08-04 | SEA | @ LAA | W, 9-7 | 6.0 | 10 | 7 | 7 | 1 | 6 | 29 | 2 | 0 | 3 | 6 | 6 | SP |
| 2023-08-11 | SEA | vs. BAL | W, 9-2 | 6.0 | 2 | 1 | 1 | 2 | 8 | 22 | 0 | 0 | 1 | 5 | 5 | SP, W |
| 2023-08-16 | SEA | @ KCR | W, 6-5 | 7.0 | 9 | 4 | 4 | 1 | 3 | 30 | 2 | 1 | 0 | 5 | 12 | SP, W |
| 2023-08-21 | SEA | @ CHW | W, 14-2 | 7.0 | 5 | 1 | 1 | 0 | 9 | 26 | 3 | 0 | 0 | 6 | 6 | SP, W |
| 2023-08-27 | SEA | vs. KCR | W, 3-2 | 7.0 | 1 | 0 | 0 | 1 | 6 | 23 | 0 | 0 | 0 | 5 | 10 | SP, W |
| 2023-09-02 | SEA | @ NYM | W, 8-7 | 5.0 | 8 | 5 | 5 | 2 | 2 | 26 | 2 | 0 | 2 | 3 | 10 | SP |
| 2023-09-07 | SEA | @ TBR | W, 1-0 | 6.0 | 4 | 0 | 0 | 4 | 8 | 25 | 1 | 0 | 0 | 2 | 7 | SP, W |
| 2023-09-13 | SEA | vs. LAA | W, 3-2 | 6.0 | 3 | 2 | 2 | 3 | 8 | 24 | 1 | 0 | 1 | 5 | 5 | SP, W |
| 2023-09-19 | SEA | @ OAK | W, 7-2 | 7.0 | 5 | 2 | 2 | 3 | 8 | 27 | 1 | 1 | 0 | 6 | 5 | SP, W |
| 2023-09-25 | SEA | vs. HOU | L, 5-1 | 6.0 | 8 | 5 | 5 | 1 | 8 | 26 | 2 | 1 | 2 | 4 | 5 | SP, L |
| 2023-09-30 | SEA | vs. TEX | L, 6-1 | 2.2 | 5 | 4 | 4 | 5 | 4 | 18 | 0 | 0 | 0 | 1 | 3 | SP, L |
| Total Games: 33 | ||||||||||||||||