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| Name: | Jack Hannifin |
| Given name: | John Joseph |
| Birth place: | Holyoke, MA, USA |
| Birthday: | 2/25/1883 |
| Height: | 71 inches |
| Weight: | 167 lbs |
| Batting: | Right-handed |
| Throwing: | Right-handed |
| Age/Age at time of death: | 62 |
| Year | Team Name | Batting Statistics | Pitching Statistics | Fielding Statistics |
|---|---|---|---|---|
| 1906 | New York Giants | Hits: 4 At Bats: 20 HR: 0 RBI: 3 | Wins: 0 Losses: 1 Total Games: 1 Strikeouts: 0 Shutouts: 0 | Position: 2B Errors: 3 Double Plays: 0 Assists: 7 |
| 1906 | Philadelphia Athletics | Hits: 4 At Bats: 20 HR: 0 RBI: 3 | Wins: 0 Losses: 1 Total Games: 1 Strikeouts: 0 Shutouts: 0 | Position: 2B Errors: 3 Double Plays: 0 Assists: 7 |
| 1907 | New York Giants | Hits: 130 At Bats: 496 HR: 2 RBI: 82 | Wins: 0 Losses: 2 Total Games: 4 Strikeouts: 11 Shutouts: 0 | Position: 2B Errors: 36 Double Plays: 37 Assists: 380 |
| 1908 | Boston Doves | Hits: 125 At Bats: 500 HR: 1 RBI: 61 | Wins: 5 Losses: 7 Total Games: 23 Strikeouts: 21 Shutouts: 1 | Position: 2B Errors: 22 Double Plays: 42 Assists: 423 |
| 1908 | New York Giants | Hits: 125 At Bats: 500 HR: 1 RBI: 61 | Wins: 5 Losses: 7 Total Games: 23 Strikeouts: 21 Shutouts: 1 | Position: 2B Errors: 22 Double Plays: 42 Assists: 423 |