J. A. Happ
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015-04-11 | SEA | @ OAK | W, 5-4 | 6.1 | 7 | 2 | 2 | 0 | 1 | 26 | 0 | 0 | 0 | 7 | 10 | SP |
| 2015-04-17 | SEA | vs. TEX | L, 3-1 | 7.0 | 5 | 2 | 2 | 2 | 3 | 26 | 2 | 0 | 1 | 8 | 8 | SP, L |
| 2015-04-22 | SEA | vs. HOU | W, 3-2 | 7.1 | 8 | 2 | 2 | 0 | 5 | 29 | 2 | 0 | 1 | 9 | 6 | SP, W |
| 2015-04-28 | SEA | @ TEX | W, 2-1 | 6.2 | 6 | 1 | 1 | 1 | 9 | 27 | 2 | 0 | 0 | 5 | 6 | SP, W |
| 2015-05-03 | SEA | @ HOU | L, 7-6 | 6.0 | 7 | 6 | 6 | 3 | 6 | 27 | 2 | 0 | 2 | 5 | 5 | SP |
| 2015-05-09 | SEA | vs. OAK | W, 7-2 | 5.0 | 4 | 1 | 1 | 2 | 8 | 23 | 0 | 0 | 0 | 3 | 5 | SP, W |
| 2015-05-15 | SEA | vs. BOS | W, 2-1 | 7.0 | 5 | 1 | 1 | 1 | 3 | 25 | 0 | 1 | 0 | 5 | 11 | SP |
| 2015-05-21 | SEA | @ BAL | L, 5-4 | 2.0 | 4 | 4 | 4 | 2 | 3 | 12 | 0 | 0 | 1 | 1 | 2 | SP |
| 2015-05-26 | SEA | @ TBR | W, 7-6 | 6.0 | 7 | 3 | 3 | 1 | 3 | 27 | 2 | 0 | 0 | 4 | 11 | SP |
| 2015-05-31 | SEA | vs. CLE | L, 6-3 | 5.0 | 8 | 2 | 2 | 1 | 2 | 23 | 2 | 0 | 1 | 8 | 4 | SP |
| 2015-06-05 | SEA | vs. TBR | L, 1-0 | 7.0 | 6 | 0 | 0 | 1 | 6 | 26 | 2 | 0 | 0 | 4 | 9 | SP |
| 2015-06-11 | SEA | @ CLE | L, 6-0 | 2.1 | 6 | 4 | 4 | 2 | 3 | 15 | 1 | 0 | 0 | 2 | 2 | SP, L |
| 2015-06-16 | SEA | @ SFG | L, 6-2 | 6.0 | 7 | 3 | 3 | 2 | 5 | 25 | 1 | 0 | 1 | 8 | 3 | SP, L |
| 2015-06-21 | SEA | vs. HOU | L, 6-2 | 5.0 | 7 | 3 | 2 | 2 | 4 | 23 | 1 | 0 | 0 | 6 | 3 | SP, L |
| 2015-06-27 | SEA | @ LAA | L, 4-2 | 7.0 | 5 | 4 | 4 | 2 | 6 | 27 | 2 | 0 | 1 | 4 | 10 | SP, L |
| 2015-07-03 | SEA | @ OAK | W, 9-5 | 6.0 | 8 | 3 | 3 | 0 | 5 | 25 | 1 | 0 | 0 | 8 | 4 | SP, W |
| 2015-07-08 | SEA | vs. DET | L, 5-4 | 4.0 | 7 | 4 | 4 | 3 | 3 | 22 | 3 | 0 | 1 | 3 | 5 | SP |
| 2015-07-20 | SEA | @ DET | L, 5-4 | 7.0 | 4 | 3 | 3 | 2 | 2 | 25 | 1 | 0 | 1 | 5 | 12 | SP |
| 2015-07-25 | SEA | vs. TOR | L, 8-6 | 1.2 | 1 | 3 | 3 | 4 | 1 | 11 | 0 | 0 | 0 | 3 | 1 | SP |
| 2015-07-27 | SEA | vs. ARI | L, 4-3 | 1.0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | RP |
| 2015-07-30 | SEA | @ MIN | L, 9-5 | 3.1 | 9 | 7 | 6 | 1 | 2 | 21 | 1 | 0 | 3 | 5 | 3 | SP, L |
| 2015-08-04 | PIT | vs. CHC | L, 5-0 | 4.1 | 9 | 4 | 4 | 2 | 6 | 23 | 4 | 0 | 0 | 4 | 2 | SP, L |
| 2015-08-14 | PIT | @ NYM | W, 3-2 | 5.1 | 7 | 1 | 1 | 1 | 7 | 23 | 3 | 0 | 1 | 3 | 5 | SP |
| 2015-08-19 | PIT | vs. ARI | W, 4-1 | 6.0 | 2 | 0 | 0 | 2 | 3 | 21 | 0 | 0 | 0 | 6 | 6 | SP, W |
| 2015-08-24 | PIT | @ MIA | W, 5-2 | 6.0 | 4 | 0 | 0 | 1 | 6 | 22 | 0 | 0 | 0 | 5 | 6 | SP, W |
| 2015-08-29 | PIT | vs. COL | W, 4-3 | 5.2 | 5 | 1 | 1 | 1 | 2 | 24 | 1 | 0 | 0 | 7 | 8 | SP, W |
| 2015-09-04 | PIT | @ STL | W, 9-3 | 7.0 | 3 | 0 | 0 | 0 | 8 | 24 | 0 | 0 | 0 | 4 | 9 | SP, W |
| 2015-09-09 | PIT | @ CIN | W, 5-4 | 6.0 | 3 | 2 | 2 | 0 | 10 | 22 | 1 | 0 | 1 | 2 | 6 | SP, W |
| 2015-09-15 | PIT | vs. CHC | L, 2-1 | 5.2 | 8 | 2 | 2 | 2 | 8 | 27 | 4 | 0 | 0 | 2 | 5 | SP, L |
| 2015-09-22 | PIT | @ COL | W, 6-3 | 5.1 | 7 | 3 | 3 | 1 | 8 | 23 | 0 | 0 | 1 | 4 | 3 | SP, W |
| 2015-09-28 | PIT | vs. STL | L, 3-0 | 6.0 | 1 | 0 | 0 | 0 | 4 | 18 | 0 | 0 | 0 | 7 | 6 | SP |
| 2015-10-04 | PIT | vs. CIN | W, 4-0 | 6.0 | 3 | 0 | 0 | 3 | 7 | 22 | 0 | 0 | 0 | 3 | 5 | SP, W |
| Total Games: 32 | ||||||||||||||||