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| Name: | Alex McKinnon |
| Given name: | Alexander J. |
| Birth place: | Boston, MA, USA |
| Birthday: | 8/14/1856 |
| Height: | 71 inches |
| Weight: | 170 lbs |
| Batting: | Right-handed |
| Throwing: | Unknown |
| Age/Age at time of death: | 30 |
| Year | Team Name | Batting Statistics | Pitching Statistics | Fielding Statistics |
|---|---|---|---|---|
| 1884 | New York Gothams | Hits: 10 At Bats: 52 HR: 0 RBI: 2 | Wins: 1 Losses: 0 Total Games: 1 Strikeouts: 2 Shutouts: 0 | Position: 3B Errors: 10 Double Plays: 2 Assists: 15 |
| 1885 | St. Louis Maroons | Hits: 0 At Bats: 5 HR: 0 RBI: 0 | Wins: 13 Losses: 12 Total Games: 25 Strikeouts: 79 Shutouts: 1 | Position: 3B Errors: 2 Double Plays: 0 Assists: 1 |
| 1886 | St. Louis Maroons | Hits: 0 At Bats: 3 HR: 0 RBI: 0 | Wins: 25 Losses: 17 Total Games: 45 Strikeouts: 154 Shutouts: 1 | Position: 2B Errors: 0 Double Plays: 0 Assists: 2 |
| 1887 | Pittsburg Alleghenys | Hits: 128 At Bats: 463 HR: 4 RBI: 77 | Wins: 1 Losses: 0 Total Games: 2 Strikeouts: 1 Shutouts: 0 | Position: 3B Errors: 0 Double Plays: 1 Assists: 7 |