Interpreted as:
Bert Blyleven 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 |  | B. Blyleven | Sunday | 3.44 | 106 | 46 | 36 | .561 | 103 | 544 | 31 | 7 | 0 | 732.2 | 689 | 280 | 315 | 72 | 183 | 27 | 0 | 5 | 3,010 | 15 | 6.68 | 2.25 | 2.97 | 0.88 | 18.1 | 6.1 | 1.19 | .283 | 3.87 | 8.46 |
| 2 | | B. Blyleven | Monday | 3.25 | 77 | 32 | 30 | .516 | 77 | 428 | 32 | 8 | 0 | 573.1 | 513 | 207 | 232 | 44 | 153 | 19 | 0 | 11 | 2,338 | 8 | 6.72 | 2.40 | 2.80 | 0.69 | 18.3 | 6.5 | 1.16 | .277 | 3.64 | 8.05 |
| 3 | | B. Blyleven | Tuesday | 3.50 | 95 | 37 | 38 | .493 | 94 | 484 | 28 | 7 | 0 | 676.0 | 655 | 263 | 292 | 60 | 194 | 16 | 1 | 7 | 2,811 | 15 | 6.44 | 2.58 | 2.49 | 0.80 | 17.2 | 6.9 | 1.26 | .289 | 3.89 | 8.72 |
| 4 | | B. Blyleven | Wednesday | 2.84 | 110 | 46 | 39 | .541 | 110 | 665 | 42 | 14 | 0 | 834.1 | 738 | 263 | 288 | 61 | 219 | 27 | 0 | 14 | 3,405 | 19 | 7.17 | 2.36 | 3.04 | 0.66 | 19.5 | 6.4 | 1.15 | .278 | 3.11 | 7.96 |
| 5 | | B. Blyleven | Thursday | 3.33 | 64 | 27 | 21 | .563 | 64 | 326 | 17 | 6 | 0 | 443.0 | 423 | 164 | 176 | 36 | 118 | 10 | 0 | 7 | 1,836 | 14 | 6.62 | 2.40 | 2.76 | 0.73 | 17.8 | 6.4 | 1.22 | .288 | 3.58 | 8.59 |
| 6 | | B. Blyleven | Friday | 3.45 | 117 | 59 | 38 | .608 | 116 | 599 | 47 | 9 | 0 | 829.0 | 769 | 318 | 350 | 76 | 208 | 31 | 1 | 10 | 3,414 | 24 | 6.50 | 2.26 | 2.88 | 0.83 | 17.5 | 6.1 | 1.18 | .277 | 3.80 | 8.35 |
| 7 | | B. Blyleven | Saturday | 3.42 | 123 | 40 | 48 | .455 | 121 | 655 | 45 | 9 | 0 | 881.2 | 845 | 335 | 376 | 81 | 247 | 25 | 1 | 17 | 3,678 | 19 | 6.69 | 2.52 | 2.65 | 0.83 | 17.8 | 6.7 | 1.24 | .286 | 3.84 | 8.63 |
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.
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