Sullivan played 1875 for the New Haven Elm Citys as a right fielder.
Across 2 games he batted .375, with 3 hits and 3 runs. He finished with 1 stolen base.
Batting, season by season
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | BB | SO | SB | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1875* | NHV | 2 | 8 | 3 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | .375 |
| Major leagues | — | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — |
| All seasons | — | 2 | 8 | 3 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | .375 |
Seasons outside MLB's recognized major leagues appear in All seasons, but not in Major leagues or the leaderboards. For Sullivan, that is 1875–1875. Why totals can differ.