| Position | Pitcher |
|---|---|
| Bats | Left |
| Throws | Right |
| Birth date | March 7, 1881 |
| Birth place | Syracuse, New York, U.S. |
| Death date | May 29, 1949 (aged 68) |
| Death place | Brooklyn, New York, U.S. |
| Debutleague | MLB |
| Debutdate | September 24 |
| Debutyear | 1903 |
| Debutteam | Pittsburgh Pirates |
| Finalleague | MLB |
| Finaldate | September 1 |
| Finalyear | 1911 |
| Finalteam | Brooklyn Dodgers |
| Statleague | MLB |
| Stat1label | Win–loss record |
| Stat1value | 65–71 |
| Stat2label | Earned run average |
| Stat2value | 3.00 |
| Stat3label | Strikeouts |
| Stat3value | 584 |
| Teams |
|
William Dennis Scanlan (March 7, 1881 – May 29, 1949) was an American pitcher in Major League Baseball. Scanlan pitched from 1903 to 1911 with the Pittsburgh Pirates and Brooklyn Dodgers.