Team pitching -- 1880 Philadelphia Southworths
Regular season -- as of 8/31/1880
| Primary |
| S | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | Welch | sp | 3.01 | 14 | 30 | 0 | 59 | 58 | 26 | 3 | 385.2 | 421 | 273 | 129 | 88 | 96 | 3 | 34 | 1727 |
| | W. White | sp | 3.26 | 13 | 22 | 2 | 53 | 21 | 19 | 0 | 304.0 | 355 | 243 | 110 | 97 | 105 | 9 | 26 | 1431 |
| | Hanlon | lf | 4.50 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4.0 | 4 | 3 | 2 | 0 | 1 | 0 | 0 | 17 |
| | Kelly | rf | 14.63 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 8.0 | 26 | 17 | 13 | 3 | 2 | 0 | 0 | 52 |
|   | Total |   | 3.26 | 27 | 53 | 2 | 80 | 80 | 46 | 3 | 701.2 | 806 | 536 | 254 | 188 | 204 | 12 | 60 | 3227 |
| Secondary |
| S | Name | P | SB | CS | IW | HBP | WP | BK | SH | SF | CI | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | PCH/G | STR% |
| | Welch | sp | 20 | 16 | 1 | 4 | 23 | 0 | 19 | 28 | 1 | 9.8 | 2.1 | 12.0 | 2.2 | 0.1 | 1.5 | 97.3 | .648 |
| | W. White | sp | 29 | 18 | 4 | 7 | 26 | 0 | 11 | 27 | 1 | 10.5 | 2.9 | 13.6 | 3.1 | 0.3 | 2.9 | 90.3 | .628 |
| | Hanlon | lf | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 9.0 | 0.0 | 9.0 | 2.3 | 0.0 | 0.0 | 54.0 | .667 |
| | Kelly | rf | 3 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 29.3 | 3.4 | 32.6 | 2.3 | 0.0 | 1.0 | 203.0 | .606 |
|   | Total |   | 52 | 37 | 5 | 11 | 50 | 0 | 32 | 55 | 2 | 10.3 | 2.4 | 12.9 | 2.6 | 0.2 | 2.1 |   | .638 |
| Analytical |
| S | Name | P | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| | Welch | sp | .637 | 1.14 | 1536 | .272 | 622 | .360 | 626 | .362 | 158.9 | 3.4 | 3.34 | 3.10 |
| | W. White | sp | .689 | 1.17 | 1213 | .285 | 568 | .397 | 575 | .402 | 154.3 | 4.1 | 4.11 | 3.95 |
| | Hanlon | lf | .563 | 0.00 | 16 | .250 | 5 | .294 | 5 | .294 | 1.3 | 2.7 | 2.63 | 1.81 |
| | Kelly | rf | 1.214 | 1.33 | 47 | .553 | 34 | .654 | 34 | .654 | 16.9 | 17.6 | 17.14 | 18.71 |
|   | Total |   | .669 | 1.16 | 2812 | .282 | 1229 | .381 | 1240 | .384 | 327.6 | 3.8 | 3.78 | 3.59 |
| Start |
| S | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | Welch | sp | 58 | 26 | .448 | 3 | 28 | .483 | 293 | 5.1 | 31 | 21 | .677 |
| | W. White | sp | 21 | 19 | .905 | 0 | 12 | .571 | 88 | 4.2 | 0 | 0 | .000 |
| | Hanlon | lf | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| | Kelly | rf | 1 | 1 | 1.000 | 0 | 0 | .000 | 8 | 8.0 | 0 | 0 | .000 |
|   | Total |   | 80 | 46 | .575 | 3 | 40 | .500 | 389 | 4.9 | 31 | 21 | .677 |
| Relief |
| S | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | Welch | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 59 | 1 | 1 |
| | W. White | sp | 5 | 2 | .400 | 3 | .600 | 0 | 31 | 21 | .677 | 53 | 32 | 32 |
| | Hanlon | lf | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 |
| | Kelly | rf | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 |
|   | Total |   | 5 | 2 | .400 | 3 | .600 | 0 | 31 | 21 | .677 | 80 | 34 | 34 |