League pitching register -- National League
Regular season -- as of 8/13/1881
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| George Bradley | CW | 3b | 28 | 6.08 | 1 | 2 | 0 | 3 | 3 | 2 | 0 | 23.2 | 42 | 32 | 16 | 6 | 3 | 1 | 1 |
| Larry Corcoran |   | sp | 21 | 1.69 | 13 | 16 | 0 | 37 | 36 | 22 | 1 | 281.2 | 276 | 164 | 53 | 66 | 127 | 2 | 23 |
| Fred Corey | SBB | of | 24 | 4.51 | 12 | 23 | 0 | 44 | 40 | 17 | 0 | 275.2 | 387 | 274 | 138 | 98 | 59 | 6 | 29 |
| George Derby | PS | sp | 23 | 2.05 | 22 | 12 | 0 | 46 | 45 | 17 | 1 | 280.1 | 270 | 155 | 64 | 81 | 136 | 3 | 26 |
| John Fox | FY | sp | 22 | 4.52 | 13 | 9 | 6 | 51 | 6 | 3 | 0 | 189.0 | 233 | 179 | 95 | 101 | 59 | 3 | 15 |
| Pud Galvin | MM | sp | 24 | 3.32 | 23 | 14 | 0 | 74 | 74 | 17 | 1 | 425.2 | 511 | 289 | 157 | 47 | 144 | 7 | 33 |
| Fred Goldsmith | RMB | sp | 29 | 2.55 | 16 | 11 | 1 | 44 | 9 | 4 | 0 | 194.1 | 200 | 121 | 55 | 56 | 42 | 6 | 21 |
| Tim Keefe | CW | sp | 24 | 5.12 | 15 | 17 | 1 | 56 | 2 | 2 | 0 | 246.0 | 352 | 252 | 140 | 132 | 62 | 3 | 26 |
| Jack Lynch | FY | sp | 24 | 4.45 | 8 | 10 | 2 | 44 | 15 | 9 | 0 | 194.0 | 252 | 169 | 96 | 56 | 59 | 3 | 19 |
| Bobby Mathews | RMB | sp | 29 | 4.37 | 7 | 9 | 3 | 37 | 1 | 1 | 0 | 136.0 | 151 | 92 | 66 | 67 | 40 | 3 | 9 |
| Jim McCormick | RMB | sp | 24 | 2.91 | 10 | 27 | 0 | 71 | 70 | 16 | 1 | 386.0 | 390 | 232 | 125 | 128 | 135 | 6 | 42 |
| John Morrill | MM | 1b | 26 | 0.00 | 1 | 1 | 0 | 3 | 1 | 0 | 0 | 11.1 | 13 | 5 | 0 | 4 | 1 | 0 | 1 |
| The Only Nolan | MM | sp | 23 | 3.28 | 14 | 4 | 4 | 43 | 4 | 3 | 0 | 148.1 | 166 | 105 | 54 | 43 | 55 | 4 | 6 |
| Blondie Purcell | MM | lf | 27 | 3.51 | 6 | 2 | 2 | 17 | 0 | 0 | 0 | 51.1 | 66 | 38 | 20 | 18 | 10 | 0 | 7 |
| Charley Radbourn | PS | sp | 26 | 3.02 | 16 | 11 | 0 | 41 | 25 | 11 | 1 | 229.2 | 243 | 148 | 77 | 62 | 85 | 7 | 23 |
| Lee Richmond* | MM | sp | 24 | 2.38 | 7 | 3 | 2 | 16 | 1 | 1 | 0 | 45.1 | 44 | 26 | 12 | 12 | 13 | 2 | 4 |
| (John) Monte Ward | CW | sp | 21 | 2.31 | 22 | 23 | 0 | 75 | 75 | 21 | 1 | 440.1 | 435 | 284 | 113 | 101 | 185 | 10 | 28 |
| Mickey Welch |   | sp | 21 | 3.62 | 8 | 12 | 7 | 48 | 14 | 11 | 0 | 211.1 | 269 | 191 | 85 | 89 | 69 | 5 | 16 |
| Jim Whitney | FY | sp | 23 | 3.28 | 17 | 23 | 0 | 59 | 59 | 10 | 0 | 318.0 | 364 | 246 | 116 | 81 | 105 | 4 | 20 |
| Stump Wiedman |   | sp | 20 | 3.06 | 6 | 9 | 4 | 40 | 0 | 0 | 0 | 138.1 | 146 | 99 | 47 | 32 | 34 | 7 | 12 |
| Ned Williamson | MM | 3b | 23 | 1.54 | 3 | 2 | 3 | 15 | 0 | 0 | 0 | 35.0 | 29 | 18 | 6 | 3 | 8 | 0 | 1 |
| Secondary |
| Name | Team | P | Age | SB | CS | IW | HBP | WP | BK | SH | SF | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | WHIP |
| George Bradley | CW | 3b | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 16.0 | 2.3 | 18.3 | 1.1 | 0.4 | 0.5 | 2.03 |
| Larry Corcoran |   | sp | 21 | 19 | 21 | 4 | 0 | 12 | 0 | 11 | 18 | 8.8 | 2.1 | 10.9 | 4.1 | 0.1 | 1.9 | 1.21 |
| Fred Corey | SBB | of | 24 | 33 | 20 | 0 | 0 | 11 | 0 | 16 | 15 | 12.6 | 3.2 | 15.8 | 1.9 | 0.2 | 0.6 | 1.76 |
| George Derby | PS | sp | 23 | 28 | 12 | 8 | 0 | 5 | 0 | 12 | 16 | 8.7 | 2.6 | 11.3 | 4.4 | 0.1 | 1.7 | 1.25 |
| John Fox | FY | sp | 22 | 15 | 9 | 0 | 0 | 37 | 0 | 9 | 11 | 11.1 | 4.8 | 15.9 | 2.8 | 0.1 | 0.6 | 1.77 |
| Pud Galvin | MM | sp | 24 | 51 | 18 | 0 | 0 | 24 | 0 | 19 | 18 | 10.8 | 1.0 | 11.8 | 3.0 | 0.1 | 3.1 | 1.31 |
| Fred Goldsmith | RMB | sp | 29 | 14 | 9 | 11 | 0 | 4 | 0 | 11 | 14 | 9.3 | 2.6 | 11.9 | 1.9 | 0.3 | 0.8 | 1.32 |
| Tim Keefe | CW | sp | 24 | 29 | 10 | 2 | 0 | 7 | 0 | 12 | 17 | 12.9 | 4.8 | 17.7 | 2.3 | 0.1 | 0.5 | 1.97 |
| Jack Lynch | FY | sp | 24 | 17 | 9 | 1 | 0 | 50 | 0 | 11 | 18 | 11.7 | 2.6 | 14.3 | 2.7 | 0.1 | 1.1 | 1.59 |
| Bobby Mathews | RMB | sp | 29 | 13 | 4 | 8 | 0 | 18 | 0 | 10 | 6 | 10.0 | 4.4 | 14.4 | 2.6 | 0.2 | 0.6 | 1.60 |
| Jim McCormick | RMB | sp | 24 | 40 | 29 | 20 | 0 | 27 | 0 | 22 | 21 | 9.1 | 3.0 | 12.1 | 3.1 | 0.1 | 1.1 | 1.34 |
| John Morrill | MM | 1b | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.3 | 3.2 | 13.5 | 0.8 | 0.0 | 0.3 | 1.50 |
| The Only Nolan | MM | sp | 23 | 26 | 5 | 1 | 0 | 15 | 0 | 6 | 8 | 10.1 | 2.6 | 12.7 | 3.3 | 0.2 | 1.3 | 1.41 |
| Blondie Purcell | MM | lf | 27 | 11 | 6 | 2 | 0 | 6 | 0 | 1 | 6 | 11.6 | 3.2 | 14.7 | 1.8 | 0.0 | 0.6 | 1.64 |
| Charley Radbourn | PS | sp | 26 | 24 | 8 | 5 | 0 | 15 | 0 | 19 | 6 | 9.5 | 2.4 | 12.0 | 3.3 | 0.3 | 1.4 | 1.33 |
| Lee Richmond* | MM | sp | 24 | 6 | 1 | 3 | 0 | 3 | 0 | 1 | 5 | 8.7 | 2.4 | 11.1 | 2.6 | 0.4 | 1.1 | 1.24 |
| (John) Monte Ward | CW | sp | 21 | 30 | 19 | 0 | 0 | 55 | 0 | 27 | 27 | 8.9 | 2.1 | 11.0 | 3.8 | 0.2 | 1.8 | 1.22 |
| Mickey Welch |   | sp | 21 | 26 | 13 | 4 | 0 | 13 | 0 | 15 | 21 | 11.5 | 3.8 | 15.2 | 2.9 | 0.2 | 0.8 | 1.69 |
| Jim Whitney | FY | sp | 23 | 29 | 20 | 0 | 0 | 30 | 0 | 16 | 23 | 10.3 | 2.3 | 12.6 | 3.0 | 0.1 | 1.3 | 1.40 |
| Stump Wiedman |   | sp | 20 | 10 | 3 | 1 | 0 | 3 | 0 | 4 | 7 | 9.5 | 2.1 | 11.6 | 2.2 | 0.5 | 1.1 | 1.29 |
| Ned Williamson | MM | 3b | 23 | 3 | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 7.5 | 0.8 | 8.2 | 2.1 | 0.0 | 2.7 | 0.91 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| George Bradley | CW | 3b | 28 | .861 | 115 | .357 | 61 | .488 | 61 | .488 | 21.9 | 7.6 | 7.48 | 7.14 |
| Larry Corcoran |   | sp | 21 | .581 | 1044 | .262 | 411 | .332 | 411 | .332 | 92.9 | 2.7 | 2.67 | 2.51 |
| Fred Corey | SBB | of | 24 | .782 | 1191 | .320 | 611 | .451 | 611 | .451 | 184.2 | 5.4 | 5.41 | 5.31 |
| George Derby | PS | sp | 23 | .585 | 1019 | .262 | 418 | .337 | 418 | .337 | 97.4 | 2.8 | 2.81 | 2.62 |
| John Fox | FY | sp | 22 | .749 | 770 | .299 | 415 | .445 | 415 | .445 | 119.2 | 5.2 | 5.11 | 4.97 |
| Pud Galvin | MM | sp | 24 | .664 | 1710 | .295 | 719 | .377 | 719 | .377 | 194.1 | 3.7 | 3.69 | 3.24 |
| Fred Goldsmith | RMB | sp | 29 | .617 | 772 | .251 | 311 | .355 | 311 | .355 | 74.0 | 3.1 | 3.09 | 3.00 |
| Tim Keefe | CW | sp | 24 | .815 | 1066 | .327 | 604 | .478 | 604 | .478 | 190.1 | 6.3 | 6.26 | 6.08 |
| Jack Lynch | FY | sp | 24 | .749 | 798 | .312 | 396 | .432 | 396 | .432 | 115.6 | 4.9 | 4.83 | 4.43 |
| Bobby Mathews | RMB | sp | 29 | .718 | 531 | .279 | 275 | .429 | 275 | .429 | 76.2 | 4.7 | 4.54 | 4.14 |
| Jim McCormick | RMB | sp | 24 | .628 | 1460 | .263 | 633 | .366 | 633 | .366 | 149.0 | 3.1 | 3.13 | 3.01 |
| John Morrill | MM | 1b | 26 | .595 | 49 | .265 | 18 | .333 | 18 | .333 | 4.6 | 3.3 | 3.30 | 3.63 |
| The Only Nolan | MM | sp | 23 | .662 | 573 | .283 | 259 | .384 | 259 | .384 | 72.7 | 4.1 | 3.97 | 3.55 |
| Blondie Purcell | MM | lf | 27 | .713 | 214 | .308 | 97 | .401 | 97 | .401 | 27.1 | 4.3 | 4.28 | 4.47 |
| Charley Radbourn | PS | sp | 26 | .644 | 887 | .266 | 392 | .377 | 392 | .377 | 97.5 | 3.4 | 3.44 | 3.12 |
| Lee Richmond* | MM | sp | 24 | .637 | 175 | .240 | 78 | .386 | 78 | .386 | 18.8 | 3.4 | 3.36 | 2.69 |
| (John) Monte Ward | CW | sp | 21 | .597 | 1674 | .254 | 684 | .347 | 684 | .347 | 162.2 | 3.0 | 2.98 | 2.59 |
| Mickey Welch |   | sp | 21 | .759 | 865 | .305 | 455 | .443 | 455 | .443 | 134.5 | 5.2 | 5.16 | 4.78 |
| Jim Whitney | FY | sp | 23 | .654 | 1279 | .281 | 550 | .374 | 550 | .374 | 144.9 | 3.7 | 3.69 | 3.40 |
| Stump Wiedman |   | sp | 20 | .666 | 549 | .253 | 251 | .404 | 251 | .404 | 62.4 | 3.7 | 3.65 | 3.12 |
| Ned Williamson | MM | 3b | 23 | .487 | 141 | .206 | 42 | .276 | 42 | .276 | 9.1 | 2.0 | 2.10 | 1.38 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| George Bradley | CW | 3b | 28 | 3 | 2 | .667 | 0 | 1 | .333 | 17 | 5.7 | 1 | 1 | 1.000 | 134.0 | .664 |
| Larry Corcoran |   | sp | 21 | 36 | 22 | .611 | 1 | 29 | .806 | 181 | 5.0 | 17 | 4 | .235 | 114.9 | .642 |
| Fred Corey | SBB | of | 24 | 40 | 17 | .425 | 0 | 15 | .375 | 229 | 5.7 | 31 | 18 | .581 | 103.1 | .619 |
| George Derby | PS | sp | 23 | 45 | 17 | .378 | 1 | 24 | .533 | 340 | 7.6 | 30 | 18 | .600 | 94.5 | .644 |
| John Fox | FY | sp | 22 | 6 | 3 | .500 | 0 | 4 | .667 | 36 | 6.0 | 19 | 11 | .579 | 62.6 | .582 |
| Pud Galvin | MM | sp | 24 | 74 | 17 | .230 | 1 | 32 | .432 | 613 | 8.3 | 51 | 33 | .647 | 79.8 | .687 |
| Fred Goldsmith | RMB | sp | 29 | 9 | 4 | .444 | 0 | 4 | .444 | 56 | 6.2 | 25 | 14 | .560 | 64.8 | .651 |
| Tim Keefe | CW | sp | 24 | 2 | 2 | 1.000 | 0 | 1 | .500 | 4 | 2.0 | 0 | 0 | .000 | 74.6 | .586 |
| Jack Lynch | FY | sp | 24 | 15 | 9 | .600 | 0 | 7 | .467 | 86 | 5.7 | 9 | 5 | .556 | 69.3 | .634 |
| Bobby Mathews | RMB | sp | 29 | 1 | 1 | 1.000 | 0 | 0 | .000 | 3 | 3.0 | 0 | 0 | .000 | 60.7 | .593 |
| Jim McCormick | RMB | sp | 24 | 70 | 16 | .229 | 1 | 24 | .343 | 341 | 4.9 | 42 | 18 | .429 | 82.2 | .633 |
| John Morrill | MM | 1b | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 5 | 5.0 | 1 | 1 | 1.000 | 74.3 | .628 |
| The Only Nolan | MM | sp | 23 | 4 | 3 | .750 | 0 | 2 | .500 | 25 | 6.3 | 19 | 9 | .474 | 54.4 | .623 |
| Blondie Purcell | MM | lf | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 47.7 | .639 |
| Charley Radbourn | PS | sp | 26 | 25 | 11 | .440 | 1 | 14 | .560 | 180 | 7.2 | 29 | 9 | .310 | 88.6 | .638 |
| Lee Richmond* | MM | sp | 24 | 1 | 1 | 1.000 | 0 | 1 | 1.000 | 8 | 8.0 | 0 | 0 | .000 | 43.4 | .632 |
| (John) Monte Ward | CW | sp | 21 | 75 | 21 | .280 | 1 | 29 | .387 | 516 | 6.9 | 43 | 18 | .419 | 87.8 | .651 |
| Mickey Welch |   | sp | 21 | 14 | 11 | .786 | 0 | 8 | .571 | 78 | 5.6 | 1 | 0 | .000 | 73.0 | .604 |
| Jim Whitney | FY | sp | 23 | 59 | 10 | .169 | 0 | 19 | .322 | 402 | 6.8 | 62 | 30 | .484 | 82.6 | .645 |
| Stump Wiedman |   | sp | 20 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 51.4 | .645 |
| Ned Williamson | MM | 3b | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 28.3 | .762 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | PCH/G | STR% |
| George Bradley | CW | 3b | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 134.0 | .664 |
| Larry Corcoran |   | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 37 | 1 | 1 | 114.9 | .642 |
| Fred Corey | SBB | of | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 44 | 4 | 4 | 103.1 | .619 |
| George Derby | PS | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 46 | 1 | 1 | 94.5 | .644 |
| John Fox | FY | sp | 22 | 11 | 6 | .545 | 4 | .364 | 1 | 53 | 24 | .453 | 51 | 45 | 33 | 62.6 | .582 |
| Pud Galvin | MM | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 74 | 0 | 0 | 79.8 | .687 |
| Fred Goldsmith | RMB | sp | 29 | 3 | 1 | .333 | 2 | .667 | 0 | 23 | 7 | .304 | 44 | 35 | 25 | 64.8 | .651 |
| Tim Keefe | CW | sp | 24 | 4 | 1 | .250 | 1 | .250 | 0 | 44 | 19 | .432 | 56 | 54 | 54 | 74.6 | .586 |
| Jack Lynch | FY | sp | 24 | 5 | 2 | .400 | 3 | .600 | 0 | 37 | 22 | .595 | 44 | 29 | 23 | 69.3 | .634 |
| Bobby Mathews | RMB | sp | 29 | 4 | 3 | .750 | 1 | .250 | 0 | 44 | 25 | .568 | 37 | 36 | 33 | 60.7 | .593 |
| Jim McCormick | RMB | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 71 | 1 | 1 | 82.2 | .633 |
| John Morrill | MM | 1b | 26 | 1 | 0 | .000 | 1 | 1.000 | 0 | 1 | 1 | 1.000 | 3 | 2 | 1 | 74.3 | .628 |
| The Only Nolan | MM | sp | 23 | 4 | 4 | 1.000 | 0 | .000 | 2 | 38 | 28 | .737 | 43 | 39 | 23 | 54.4 | .623 |
| Blondie Purcell | MM | lf | 27 | 4 | 2 | .500 | 2 | .500 | 1 | 16 | 7 | .438 | 17 | 17 | 8 | 47.7 | .639 |
| Charley Radbourn | PS | sp | 26 | 1 | 0 | .000 | 1 | 1.000 | 2 | 17 | 11 | .647 | 41 | 16 | 5 | 88.6 | .638 |
| Lee Richmond* | MM | sp | 24 | 5 | 2 | .400 | 3 | .600 | 0 | 15 | 5 | .333 | 16 | 15 | 14 | 43.4 | .632 |
| (John) Monte Ward | CW | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 75 | 0 | 0 | 87.8 | .651 |
| Mickey Welch |   | sp | 21 | 10 | 7 | .700 | 3 | .300 | 0 | 38 | 18 | .474 | 48 | 34 | 33 | 73.0 | .604 |
| Jim Whitney | FY | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 59 | 0 | 0 | 82.6 | .645 |
| Stump Wiedman |   | sp | 20 | 6 | 4 | .667 | 2 | .333 | 0 | 52 | 20 | .385 | 40 | 40 | 38 | 51.4 | .645 |
| Ned Williamson | MM | 3b | 23 | 7 | 3 | .429 | 3 | .429 | 0 | 16 | 5 | .313 | 15 | 15 | 13 | 28.3 | .762 |