| # | Pitcher | JJ | JI | G | P | SV | IP | H | CP | CL | HR | BB | K | WHIP | EFE | RJG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 64 | Michael Brady | 14 | 0 | 0 | 0 | 0 | 27.2 | 33 | 22 | 20 | 7 | 6 | 22 | 1.41 | 6.51 | 0 |
| 58 | Paul Blackburn | 10 | 10 | 3 | 1 | 0 | 58.2 | 58 | 22 | 21 | 5 | 16 | 22 | 1.26 | 3.22 | 2 |
| 39 | Blake Treinen | 30 | 0 | 2 | 4 | 9 | 33.0 | 26 | 11 | 9 | 3 | 11 | 36 | 1.12 | 2.45 | 1 |
| 31 | Liam Hendriks | 66 | 0 | 4 | 2 | 0 | 61.0 | 57 | 34 | 30 | 7 | 23 | 74 | 1.31 | 4.43 | 2 |
| 50 | Raul Alcantara | 6 | 2 | 0 | 1 | 0 | 14.2 | 15 | 17 | 15 | 4 | 8 | 5 | 1.57 | 9.20 | 0 |
| 62 | Sean Doolittle | 23 | 0 | 1 | 0 | 3 | 21.1 | 12 | 8 | 8 | 3 | 2 | 31 | 0.66 | 3.38 | 1 |
| 33 | Daniel Mengden | 4 | 4 | 1 | 1 | 0 | 23.0 | 20 | 12 | 11 | 5 | 5 | 14 | 1.09 | 4.30 | 1 |
| 35 | Daniel Coulombe | 68 | 0 | 2 | 2 | 0 | 49.1 | 44 | 22 | 20 | 4 | 22 | 37 | 1.34 | 3.65 | 2 |
| 47 | Frankie Montas | 23 | 0 | 1 | 1 | 0 | 32.0 | 39 | 25 | 25 | 10 | 20 | 36 | 1.84 | 7.03 | 1 |
| 61 | John Axford | 22 | 0 | 0 | 1 | 0 | 21.0 | 27 | 16 | 15 | 3 | 17 | 21 | 2.10 | 6.43 | 0 |
| 67 | Simon Castro | 22 | 0 | 1 | 3 | 0 | 31.2 | 27 | 18 | 16 | 5 | 13 | 30 | 1.26 | 4.55 | 1 |
| 64 | Cesar Valdez | 4 | 1 | 0 | 0 | 0 | 9.1 | 14 | 10 | 10 | 4 | 4 | 5 | 1.93 | 9.64 | 1 |
| 57 | Josh Smith | 26 | 0 | 2 | 1 | 0 | 35.0 | 35 | 20 | 19 | 3 | 15 | 25 | 1.43 | 4.89 | 2 |
| 32 | Jesse Hahn | 14 | 13 | 3 | 6 | 0 | 69.2 | 78 | 46 | 41 | 4 | 27 | 55 | 1.51 | 5.30 | 2 |
| 46 | Santiago Casilla | 60 | 0 | 4 | 5 | 16 | 56.0 | 56 | 28 | 27 | 8 | 21 | 55 | 1.38 | 4.34 | 2 |
| 62 | Sam Moll | 8 | 0 | 0 | 0 | 0 | 3.0 | 7 | 6 | 6 | 2 | 1 | 4 | 2.67 | 18.00 | 0 |
| 56 | Chris Smith | 13 | 9 | 0 | 4 | 0 | 54.0 | 59 | 45 | 42 | 16 | 21 | 30 | 1.48 | 7.00 | 0 |
| 44 | Chris Hatcher | 18 | 0 | 1 | 1 | 1 | 18.0 | 15 | 5 | 5 | 2 | 9 | 15 | 1.33 | 2.50 | 1 |
| 55 | Sean Manaea | 28 | 28 | 11 | 10 | 0 | 152.0 | 164 | 87 | 77 | 18 | 52 | 134 | 1.42 | 4.56 | 5 |
| 54 | Sonny Gray | 16 | 16 | 6 | 5 | 0 | 97.0 | 84 | 48 | 37 | 8 | 30 | 94 | 1.18 | 3.43 | 3 |
| 48 | Daniel Gossett | 16 | 16 | 4 | 9 | 0 | 85.1 | 105 | 56 | 51 | 16 | 28 | 68 | 1.56 | 5.38 | 1 |
| 45 | Jharel Cotton | 23 | 23 | 8 | 10 | 0 | 124.0 | 132 | 91 | 80 | 28 | 52 | 99 | 1.48 | 5.81 | 3 |
| 49 | Kendall Graveman | 17 | 17 | 5 | 4 | 0 | 92.1 | 101 | 46 | 45 | 10 | 28 | 62 | 1.40 | 4.39 | 2 |
| 36 | Zach Neal | 6 | 0 | 0 | 0 | 0 | 14.2 | 19 | 13 | 13 | 5 | 1 | 10 | 1.36 | 7.98 | 0 |
| 63 | Bobby Wahl | 7 | 0 | 0 | 0 | 0 | 7.2 | 8 | 4 | 4 | 0 | 4 | 8 | 1.57 | 4.70 | 0 |
| 44 | Ryan Madson | 40 | 0 | 2 | 4 | 1 | 39.1 | 25 | 9 | 9 | 2 | 6 | 39 | 0.79 | 2.06 | 1 |
| 66 | Ryan Dull | 45 | 0 | 2 | 2 | 0 | 38.0 | 31 | 25 | 19 | 6 | 14 | 42 | 1.18 | 4.50 | 1 |
| 60 | Andrew Triggs | 12 | 12 | 5 | 6 | 0 | 65.1 | 68 | 42 | 31 | 9 | 19 | 50 | 1.33 | 4.27 | 3 |
