| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Jack Hannifin |
| Given Name | John Joseph |
| Birth Date | 1883-2-25 |
| Birth City | Holyoke, MA |
| Height | 5'11" |
| Weight | 167 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | No |
| Age | 62 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | New York Giants | 1 | 1 | 0 | 0 | 1 | |||||
| 1906 | New York Giants | 6 | 30 | 0 | 3 | 0.2 | |||||
| 1906 | Philadelphia Athletics | 1 | 1 | 0 | 0 | 1 | |||||
| 1906 | Philadelphia Athletics | 6 | 30 | 0 | 3 | 0.2 | |||||
| 1907 | New York Giants | 34 | 149 | 1 | 15 | 0.228188 | |||||
| 1908 | Boston Doves | 0 | 2 | 0 | 0 | 0 | |||||
| 1908 | Boston Doves | 53 | 257 | 2 | 22 | 0.206226 | |||||
| 1908 | New York Giants | 0 | 2 | 0 | 0 | 0 | |||||
| 1908 | New York Giants | 53 | 257 | 2 | 22 | 0.206226 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1906 | 2nd Base | 0 | 0 | 2 |
| 1906 | 3rd Base | 0 | 0 | 2 |
| 1906 | Shortstop | 3 | 2 | 18 |
| 1907 | 1st Base | 1 | 5 | 13 |
| 1907 | 3rd Base | 1 | 2 | 15 |
| 1907 | Outfielder | 0 | 0 | 0 |
| 1907 | Shortstop | 2 | 2 | 8 |
| 1908 | 2nd Base | 4 | 0 | 64 |
| 1908 | 3rd Base | 10 | 15 | 79 |
| 1908 | Outfielder | 0 | 0 | 0 |
| 1908 | Outfielder | 0 | 0 | 0 |
| 1908 | Shortstop | 5 | 0 | 36 |