Player Vitals for Jack O'Brien
| BirthDate | Birthplace | Height | Weight | BMI | Bats | Throws | Debut | Final Game | School | DeathDate | Deathplace |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tue, Jun 12, 1860 | Philadelphia, PA | 5'10'' | 184 | 26.40 | Right | Right | May 2, 1882 | Sep 16, 1890 | Sun, Nov 20, 1910 | Philadelphia, PA |