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| Name | Given Name | Age | Birthday | Height | Weight | Birth City | Birth Country | Batting Hand | Throwing Hand |
|---|---|---|---|---|---|---|---|---|---|
| Mike Heydon | Marion Edward | 39 Deceased | 07/15/1874 | 6'10" | 155 lbs | L | R |
| Year | Team | Games | At Bats | Hits | Home Runs | RBI | Batting AVG | Wins | Losses | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | Baltimore Orioles | 9 | 1 | 0 | 1 | 0.1111 | Catcher | 1 | 1 | 3 | |||||
| 1899 | Washington Senators | 3 | 0 | 0 | 0 | 0.0000 | Catcher | 1 | 0 | 2 | |||||
| 1901 | St. Louis Cardinals | 43 | 9 | 1 | 6 | 0.2093 | Catcher | 4 | 2 | 10 | |||||
| 1904 | Chicago White Sox | 10 | 1 | 0 | 1 | 0.1000 | Outfield | 0 | 0 | 0 | |||||
| 1905 | Washington Senators | 245 | 47 | 1 | 26 | 0.1918 | Catcher | 0 | 1 | 5 | |||||
| 1906 | Washington Senators | 145 | 23 | 0 | 10 | 0.1586 | Catcher | 23 | 7 | 125 | |||||
| 1907 | Washington Senators | 164 | 30 | 0 | 9 | 0.1829 | Catcher | 18 | 4 | 68 |