| | Player |
POS
| IP | W | L | ERA | WHIP | K | BB | SwStrike | Fastball |
| 1 |
Blake Snell
| SP | 187 | 15 | 9 | 3.10 | 1.17 | 218 | 72 | 18.4% | 95.7 mph |
| |
| 2 |
Charlie Morton
| SP | 155 | 12 | 7 | 3.55 | 1.22 | 173 | 56 | 13.1% | 94.3 mph |
| |
| 3 |
Ryne Stanek
| SP | 57 | 2 | 3 | 3.34 | 1.22 | 72 | 25 | 16.2% | 97.6 mph |
| 4 |
Yonny Chirinos
| SP | 111 | 6 | 6 | 3.81 | 1.24 | 92 | 28 | 10.4% | 93.8 mph |
| 5 |
Andrew Kittredge
| SP | 11 | 1 | 1 | 4.27 | 1.37 | 10 | 4 | 18.9% | 95.3 mph |
| 6 |
Ryan Yarbrough
| SP | 134 | 9 | 8 | 4.19 | 1.31 | 114 | 42 | 9.4% | 88.2 mph |
| 7 |
Aaron Slegers
M
| SP | 22 | 1 | 1 | 4.73 | 1.41 | 14 | 6 | | |
| 8 |
Brent Honeywell
M
| SP | 57 | 4 | 3 | 4.06 | 1.26 | 57 | 17 | | |
| 9 |
Jacob Faria
M
| SP | 70 | 4 | 4 | 4.56 | 1.38 | 64 | 31 | 16.4% | 94.5 mph |