Interpreted as:
Tom Seaver era, by day of week in his career| NAME | WEEKDAY | ERA | G | W | L | W% | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | T. Seaver | Sunday | 3.05 | 110 | 46 | 41 | .529 | 105 | 532 | 35 | 8 | 1 | 752.0 | 644 | 255 | 272 | 59 | 241 | 17 | 4 | 16 | 3,061 | 11 | 6.37 | 2.88 | 2.21 | 0.71 | 17.4 | 7.9 | 1.18 | .264 | 3.26 | 7.71 |
| 2 | | T. Seaver | Monday | 2.94 | 68 | 29 | 20 | .592 | 68 | 389 | 24 | 7 | 0 | 517.1 | 400 | 169 | 186 | 38 | 147 | 5 | 0 | 15 | 2,075 | 26 | 6.77 | 2.56 | 2.65 | 0.66 | 18.7 | 7.1 | 1.06 | .242 | 3.24 | 6.96 |
| 3 | | T. Seaver | Tuesday | 2.53 | 93 | 50 | 22 | .694 | 90 | 489 | 32 | 8 | 0 | 665.1 | 546 | 187 | 211 | 51 | 189 | 6 | 1 | 13 | 2,664 | 17 | 6.61 | 2.56 | 2.59 | 0.69 | 18.4 | 7.1 | 1.10 | .257 | 2.85 | 7.39 |
| 4 | | T. Seaver | Wednesday | 3.00 | 106 | 49 | 33 | .598 | 106 | 641 | 35 | 11 | 0 | 791.1 | 653 | 264 | 300 | 71 | 227 | 9 | 0 | 25 | 3,217 | 12 | 7.29 | 2.58 | 2.82 | 0.81 | 19.9 | 7.1 | 1.11 | .257 | 3.41 | 7.43 |
| 5 | | T. Seaver | Thursday | 2.63 | 66 | 32 | 21 | .604 | 65 | 382 | 23 | 6 | 0 | 496.0 | 414 | 145 | 161 | 31 | 154 | 5 | 1 | 15 | 2,013 | 13 | 6.93 | 2.79 | 2.48 | 0.56 | 19.0 | 7.7 | 1.15 | .266 | 2.92 | 7.51 |
| 6 | | T. Seaver | Friday | 2.76 | 115 | 58 | 36 | .617 | 115 | 698 | 42 | 15 | 0 | 848.2 | 680 | 260 | 283 | 67 | 243 | 16 | 0 | 18 | 3,418 | 28 | 7.40 | 2.58 | 2.87 | 0.71 | 20.4 | 7.1 | 1.09 | .256 | 3.00 | 7.21 |
| 7 | | T. Seaver | Saturday | 3.04 | 98 | 47 | 32 | .595 | 98 | 509 | 40 | 6 | 0 | 712.1 | 634 | 241 | 261 | 63 | 189 | 18 | 0 | 15 | 2,921 | 18 | 6.43 | 2.39 | 2.69 | 0.80 | 17.4 | 6.5 | 1.16 | .267 | 3.30 | 8.01 |
StatMuse has game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Phillies
Mets
Marlins
Braves
Nationals
PIT
STL
Brewers
Cubs
Dodgers
Padres
Blue Jays
Yankees
Guardians
Tigers
Mariners
Astros
CIN
ATH
BOS
TBR
KCR
SFG
LAA
AZ
