| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Del Mason |
| Given Name | Adelbert William |
| Birth Date | 1883-10-29 |
| Birth City | Newfane, NY |
| Height | 6'0" |
| Weight | 160 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | No |
| Age | 79 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1904 | Washington Senators | 0 | 15 | 0 | 0 | 0 | 0 | 3 | 5 | 16 | 0 |
| 1906 | Cincinnati Reds | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 0 |
| 1907 | Cincinnati Reds | 8 | 44 | 0 | 3 | 0.181818 | 5 | 12 | 25 | 45 | 1 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1904 | Pitcher | 0 | 0 | 6 |
| 1906 | Pitcher | 0 | 0 | 2 |
| 1907 | Pitcher | 1 | 4 | 44 |