Justin Masterson
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015-04-09 | BOS | @ PHI | W, 6-2 | 6.0 | 3 | 2 | 2 | 2 | 7 | 23 | 0 | 0 | 0 | 7 | 4 | SP, W |
| 2015-04-14 | BOS | vs. WAS | W, 8-7 | 4.2 | 8 | 7 | 7 | 3 | 4 | 26 | 1 | 0 | 0 | 7 | 2 | SP |
| 2015-04-20 | BOS | vs. BAL | W, 7-1 | 5.0 | 3 | 1 | 1 | 3 | 6 | 21 | 2 | 1 | 0 | 5 | 3 | SP, W |
| 2015-04-25 | BOS | @ BAL | L, 5-4 | 7.0 | 7 | 3 | 3 | 1 | 3 | 30 | 3 | 0 | 1 | 10 | 7 | SP |
| 2015-05-01 | BOS | vs. NYY | L, 3-2 | 6.0 | 6 | 2 | 2 | 3 | 2 | 27 | 2 | 0 | 0 | 8 | 7 | SP |
| 2015-05-06 | BOS | vs. TBR | L, 5-3 | 4.1 | 7 | 4 | 4 | 6 | 1 | 24 | 2 | 0 | 1 | 5 | 4 | SP, L |
| 2015-05-12 | BOS | @ OAK | L, 9-2 | 2.1 | 6 | 6 | 6 | 1 | 1 | 14 | 1 | 1 | 2 | 4 | 2 | SP, L |
| 2015-06-28 | BOS | @ TBR | W, 5-3 | 5.0 | 5 | 1 | 0 | 0 | 6 | 20 | 0 | 0 | 0 | 4 | 4 | SP, W |
| 2015-07-03 | BOS | vs. HOU | L, 12-8 | 3.2 | 8 | 5 | 5 | 2 | 2 | 21 | 2 | 0 | 0 | 5 | 4 | SP |
| 2015-07-10 | BOS | vs. NYY | L, 5-1 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | RP |
| 2015-07-18 | BOS | @ LAA | L, 3-0 | 3.0 | 1 | 0 | 0 | 0 | 4 | 10 | 0 | 0 | 0 | 3 | 1 | RP |
| 2015-07-21 | BOS | @ HOU | L, 8-3 | 1.2 | 4 | 3 | 3 | 0 | 2 | 11 | 2 | 0 | 1 | 1 | 2 | RP |
| 2015-07-24 | BOS | vs. DET | W, 2-1 | 1.0 | 1 | 0 | 0 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | RP, W |
| 2015-07-25 | BOS | vs. DET | L, 5-1 | 2.0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 3 | 2 | RP |
| 2015-07-28 | BOS | vs. CHW | L, 9-4 | 3.1 | 4 | 2 | 2 | 1 | 4 | 15 | 2 | 1 | 1 | 4 | 1 | RP |
| 2015-08-01 | BOS | vs. TBR | W, 11-7 | 1.0 | 1 | 1 | 1 | 1 | 2 | 4 | 1 | 0 | 0 | 0 | 0 | RP |
| 2015-08-07 | BOS | @ DET | W, 7-2 | 1.1 | 2 | 0 | 0 | 2 | 1 | 8 | 1 | 0 | 0 | 2 | 1 | RP |
| 2015-08-09 | BOS | @ DET | W, 7-2 | 1.0 | 1 | 1 | 1 | 1 | 1 | 5 | 0 | 0 | 1 | 2 | 0 | RP |
| Total Games: 18 | ||||||||||||||||