| Home | Teams and Players | Homerun Kings | Top Salaries | Top RBIs | Hall of Fame |
| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Bill | Mountjoy | William Henry | 1858 | 12 | 11 | London | CAN | 66 | 150 | 35 | L | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1883 | Cincinnati Red Stockings | 3 | 0 | 0 | 0.0000 |
| 1884 | Cincinnati Red Stockings | 119 | 0 | 8 | 0.1513 |
| 1885 | Baltimore Orioles | 18 | 0 | 0 | 0.0556 |
| 1885 | Cincinnati Red Stockings | 60 | 0 | 2 | 0.1667 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1883 | Cincinnati Red Stockings | 0 | 1 | 1 | 0 |
| 1884 | Cincinnati Red Stockings | 19 | 12 | 33 | 3 |
| 1885 | Baltimore Orioles | 10 | 7 | 17 | 1 |
| 1885 | Baltimore Orioles | 2 | 4 | 6 | 1 |
| 1885 | Cincinnati Red Stockings | 10 | 7 | 17 | 1 |
| 1885 | Cincinnati Red Stockings | 2 | 4 | 6 | 1 |