| TEAM | MONTH | ER | G | W% | W | L | ERA | SO | SHO | SV | IP | H | R | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Pirates | April | 150 | 23 | .435 | 10 | 13 | 6.62 | 154 | 0 | 4 | 204.0 | 236 | 161 | 33 | 103 | 8 | 5 | 942 | 10 | 6.79 | 4.54 | 1.50 | 1.46 | 16.3 | 10.9 | 1.66 | .315 | 7.10 | 10.41 |
| 2 | | Pirates | May | 122 | 29 | .379 | 11 | 18 | 4.36 | 193 | 0 | 8 | 252.0 | 270 | 136 | 25 | 104 | 14 | 9 | 1,124 | 10 | 6.89 | 3.71 | 1.86 | 0.89 | 17.2 | 9.3 | 1.48 | .311 | 4.86 | 9.64 |
| 3 | | Pirates | June | 117 | 26 | .231 | 6 | 20 | 4.71 | 127 | 0 | 5 | 223.2 | 253 | 133 | 26 | 76 | 11 | 7 | 990 | 8 | 5.11 | 3.06 | 1.67 | 1.05 | 12.8 | 7.7 | 1.47 | .303 | 5.35 | 10.18 |
| 4 | | Pirates | July | 112 | 25 | .360 | 9 | 16 | 4.60 | 151 | 1 | 5 | 219.1 | 228 | 122 | 37 | 71 | 10 | 6 | 942 | 8 | 6.20 | 2.91 | 2.13 | 1.52 | 16.0 | 7.5 | 1.36 | .284 | 5.01 | 9.36 |
| 5 | | Pirates | August | 160 | 29 | .276 | 8 | 21 | 5.78 | 193 | 0 | 3 | 249.1 | 300 | 166 | 28 | 86 | 10 | 4 | 1,131 | 9 | 6.97 | 3.10 | 2.24 | 1.01 | 17.1 | 7.6 | 1.55 | .334 | 5.99 | 10.83 |
| 6 | | Pirates | September | 116 | 27 | .444 | 12 | 15 | 4.38 | 180 | 0 | 6 | 238.1 | 261 | 140 | 17 | 89 | 12 | 9 | 1,066 | 10 | 6.80 | 3.36 | 2.02 | 0.64 | 16.9 | 8.3 | 1.47 | .318 | 5.29 | 9.86 |
| 7 | | Pirates | October | 7 | 3 | .333 | 1 | 2 | 2.52 | 28 | 0 | 0 | 25.0 | 19 | 8 | 1 | 9 | 1 | 0 | 105 | 1 | 10.08 | 3.24 | 3.11 | 0.36 | 26.7 | 8.6 | 1.12 | .273 | 2.88 | 6.84 |
StatMuse has team, game-level data for earned runs going back to the 1912 season.
Some of the information used here was obtained free of charge from Retrosheet.
Cubs 
Cardinals 
Brewers 
Reds 
Pirates 
NYM 
Yankees 
Rays 
Tigers 
Guardians 
Astros 
Mariners 
Phillies 
Dodgers 
Giants 
KCR 
CWS 
TOR 
MIN 
LAA 
MIA 
TEX 
BAL 
ATH 
ATL 
