Jack O'Brien
Bats L Throws R6'1" 165 lbBorn 1873 Watervliet, USADebut 1899Team BOS
Batting
| Year | Team | G | PA | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | HIT+ |
|---|
| 1903 | BOS | 96 | 376 | 44 | 71 | 14 | 4 | 3 | 38 | 10 | 21 | 37 | 0.210 | 0.262 | 0.302 | 0.564 | 64.2 |
| 1901 | CLE | 103 | 456 | 59 | 114 | 14 | 5 | 0 | 44 | 15 | 25 | 23 | 0.271 | 0.320 | 0.329 | 0.649 | 87.2 |
| 1899 | WSH | 127 | 516 | 68 | 132 | 11 | 5 | 6 | 51 | 17 | 31 | 32 | 0.282 | 0.331 | 0.365 | 0.696 | |
| Career | | 326 | 1348 | 171 | 317 | 39 | 14 | 9 | 133 | 42 | 77 | 92 | 0.259 | 0.308 | 0.335 | 0.643 | 76.8 |
Fielding
| Year | Team | Pos | G | Inn | PO | A | E | DP | Fld% | Runs saved |
|---|
| 1903 | BOS | OF | 71 | 626 | 128 | 9 | 6 | 2 | 0.958 | |
| 1903 | BOS | 3B | 11 | 75 | 10 | 15 | 3 | 3 | 0.893 | |
| 1903 | BOS | 2B | 4 | 25 | 4 | 7 | 4 | 0 | 0.733 | |
| 1903 | BOS | SS | 1 | 2 | 0 | 0 | 0 | 0 | | |
| 1901 | CLE | OF | 103 | 854 | 176 | 9 | 12 | 4 | 0.939 | |
| 1901 | CLE | 3B | 1 | 7 | 1 | 2 | 0 | 0 | 1.000 | |
| 1899 | WSH | OF | 121 | 1017 | 266 | 21 | 23 | 5 | 0.926 | |
| 1899 | WSH | 3B | 4 | 41 | 5 | 10 | 6 | 1 | 0.714 | |
Runs saved covers the Statcast era; for catchers it includes framing.
Postseason batting
| Year | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS |
|---|
| 1903 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.000 | 0.000 | 0.000 | 0.000 |
| Career | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.000 | 0.000 | 0.000 | 0.000 |