O'Rourke played 1872 for the Brooklyn Eckfords as a pitcher.
He went 0 and 1 with a 8.00 earned run average, pitching 9 innings in 1 game. Across 1 game he batted .000, with 0 hits and 0 runs.
Batting, season by season
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | BB | SO | SB | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1872* | ECK | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| Major leagues | — | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — |
| All seasons | — | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
Pitching, season by season
| Year | Team | W | L | G | GS | SV | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1872* | ECK | 0 | 1 | 1 | 1 | 0 | 9.0 | 16 | 8 | 2 | 0 | 8.00 |
| Major leagues | — | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | — |
| All seasons | — | 0 | 1 | 1 | 1 | 0 | 9.0 | 16 | 8 | 2 | 0 | 8.00 |
Seasons outside MLB's recognized major leagues appear in All seasons, but not in Major leagues or the leaderboards. For O'Rourke, that is 1872–1872. Why totals can differ.