 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fred Uhlman | 1908-1911 | 1 | 1 | .500 | 4.23 | 6 | 3 | 1 | 0 | 0 | 27.2 | 21 | 13 | 0 | 15 | 6 |
| Felipe Ulibarri | 1910-1910 | 1 | 4 | .200 | 5.48 | 10 | 0 | 0 | 0 | 1 | 23.0 | 30 | 14 | 1 | 15 | 9 |
| Raúl Ulibarri | 1915-1915 | 13 | 16 | .448 | 3.63 | 47 | 34 | 3 | 0 | 0 | 283.0 | 296 | 114 | 2 | 102 | 91 |
| Prudencio Ulloa | 1904-1915 | 18 | 29 | .383 | 3.73 | 65 | 56 | 12 | 1 | 0 | 419.2 | 379 | 174 | 4 | 225 | 165 |
| Graham Underwood | 1902-1914 | 2 | 2 | .500 | 3.64 | 28 | 0 | 0 | 0 | 2 | 47.0 | 62 | 19 | 3 | 9 | 11 |
| Carmelo Urbina | 1901-1902 | 44 | 39 | .530 | 3.27 | 84 | 84 | 66 | 5 | 0 | 726.0 | 784 | 264 | 14 | 206 | 259 |
| Polinario Urbina | 1913-1915 | 0 | 0 | .000 | 13.50 | 1 | 0 | 0 | 0 | 0 | 1.1 | 2 | 2 | 0 | 2 | 0 |
| Adolfo Ureña | 1912-1915 | 47 | 45 | .511 | 2.44 | 115 | 106 | 44 | 5 | 0 | 837.1 | 759 | 227 | 9 | 235 | 262 |
| Ludovico Uribe | 1910-1914 | 20 | 26 | .435 | 2.40 | 183 | 0 | 0 | 0 | 22 | 348.2 | 327 | 93 | 2 | 148 | 153 |
| Uriel Urrea | 1908-1913 | 28 | 40 | .412 | 3.86 | 101 | 83 | 17 | 1 | 3 | 621.0 | 685 | 266 | 18 | 201 | 179 |
| Federico Urtiaga | 1904-1915 | 235 | 174 | .575 | 2.54 | 485 | 446 | 267 | 40 | 1 | 3797.1 | 3525 | 1070 | 93 | 934 | 1974 |
| Luis Urías | 1904-1905 | 25 | 32 | .439 | 2.87 | 62 | 60 | 43 | 3 | 0 | 510.2 | 449 | 163 | 6 | 176 | 157 |
| Mercuriano Urías | 1903-1903 | 0 | 0 | .000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0.1 | 2 | 0 | 0 | 0 | 0 |
| Bill Utting | 1902-1902 | 1 | 0 | 1.000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 6.2 | 5 | 0 | 0 | 6 | 3 |
