| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Mysterious Walker |
| Given Name | Frederick Mitchell |
| Birth Date | 1884-3-21 |
| Birth City | Utica, NE |
| Height | 5'10" |
| Weight | 185 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | No |
| Age | 73 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910 | Cincinnati Reds | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 1912 | Cleveland Naps | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 0 | 0 |
| 1913 | Brooklyn Superbas | 3 | 18 | 0 | 3 | 0.166667 | 1 | 3 | 11 | 35 | 0 |
| 1914 | Pittsburgh Rebels | 6 | 53 | 0 | 1 | 0.113208 | 4 | 16 | 35 | 79 | 0 |
| 1915 | Brooklyn Tip-Tops | 6 | 27 | 0 | 1 | 0.222222 | 2 | 4 | 13 | 28 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1910 | Pitcher | 0 | 0 | 3 |
| 1912 | Pitcher | 0 | 0 | 0 |
| 1913 | Pitcher | 0 | 0 | 22 |
| 1914 | Outfielder | 0 | 0 | 0 |
| 1914 | Pitcher | 7 | 3 | 64 |
| 1915 | Pitcher | 1 | 0 | 28 |