Justus Sheffield
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-04-05 | SEA | vs. CHW | L, 6-0 | 5.0 | 8 | 6 | 4 | 2 | 5 | 26 | 1 | 0 | 1 | 6 | 3 | SP, L |
| 2021-04-13 | SEA | @ BAL | W, 4-3 | 6.0 | 3 | 2 | 2 | 2 | 5 | 21 | 0 | 0 | 1 | 7 | 4 | SP |
| 2021-04-19 | SEA | vs. LAD | W, 4-3 | 5.2 | 4 | 3 | 3 | 3 | 6 | 25 | 2 | 0 | 1 | 4 | 7 | SP, W |
| 2021-04-26 | SEA | @ HOU | L, 5-2 | 5.1 | 12 | 5 | 4 | 1 | 4 | 29 | 1 | 0 | 0 | 5 | 5 | SP, L |
| 2021-05-02 | SEA | vs. LAA | W, 2-0 | 6.0 | 2 | 0 | 0 | 3 | 4 | 25 | 0 | 0 | 0 | 6 | 7 | SP, W |
| 2021-05-09 | SEA | @ TEX | L, 10-2 | 5.0 | 10 | 7 | 5 | 0 | 5 | 25 | 2 | 0 | 2 | 4 | 3 | SP, L |
| 2021-05-15 | SEA | vs. CLE | W, 7-3 | 6.0 | 5 | 2 | 2 | 2 | 2 | 24 | 3 | 0 | 0 | 7 | 7 | SP, W |
| 2021-05-22 | SEA | @ SDP | L, 6-4 | 5.0 | 7 | 6 | 5 | 5 | 3 | 25 | 2 | 0 | 0 | 5 | 4 | SP, L |
| 2021-05-28 | SEA | vs. TEX | W, 3-2 | 5.0 | 6 | 2 | 2 | 2 | 1 | 20 | 1 | 0 | 0 | 4 | 7 | SP, W |
| 2021-06-03 | SEA | @ LAA | W, 6-2 | 5.2 | 6 | 2 | 2 | 3 | 7 | 26 | 1 | 0 | 2 | 7 | 3 | SP, W |
| 2021-06-10 | SEA | @ DET | L, 8-3 | 4.0 | 7 | 5 | 4 | 1 | 3 | 22 | 1 | 0 | 2 | 4 | 5 | SP, L |
| 2021-06-16 | SEA | vs. MIN | L, 7-2 | 5.0 | 10 | 7 | 7 | 2 | 4 | 26 | 2 | 0 | 2 | 5 | 5 | SP, L |
| 2021-06-23 | SEA | vs. COL | L, 5-2 | 4.1 | 4 | 3 | 3 | 3 | 5 | 20 | 1 | 0 | 2 | 3 | 5 | SP, L |
| 2021-06-30 | SEA | @ TOR | W, 9-7 | 4.0 | 7 | 4 | 4 | 3 | 3 | 21 | 3 | 0 | 0 | 3 | 5 | SP |
| 2021-07-06 | SEA | vs. NYY | L, 12-1 | 1.2 | 5 | 6 | 6 | 3 | 2 | 14 | 0 | 0 | 1 | 1 | 2 | SP, L |
| 2021-09-01 | SEA | vs. HOU | W, 1-0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | RP, W |
| 2021-09-03 | SEA | @ ARI | W, 6-5 | 1.0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 1 | RP, W |
| 2021-09-06 | SEA | @ HOU | L, 11-2 | 2.1 | 4 | 2 | 1 | 1 | 0 | 12 | 3 | 0 | 0 | 3 | 4 | RP |
| 2021-09-11 | SEA | vs. ARI | L, 7-3 | 1.0 | 1 | 2 | 2 | 2 | 3 | 6 | 1 | 0 | 0 | 0 | 0 | RP |
| 2021-09-15 | SEA | vs. BOS | L, 9-4 | 0.1 | 2 | 2 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | RP |
| 2021-09-25 | SEA | @ LAA | L, 14-1 | 1.0 | 1 | 3 | 3 | 5 | 0 | 9 | 0 | 0 | 0 | 1 | 2 | RP |
| Total Games: 21 | ||||||||||||||||