Big Jeff Pfeffer
P · Born March 31, 1882
Age in each season
- 1905 (Cubs): 23 years, 1 day to 23 years, 184 days
- 1906 (Beaneaters): 24 years, 1 day to 24 years, 184 days
- 1907 (Doves): 25 years, 1 day to 25 years, 184 days
- 1908 (Doves): 26 years, 1 day to 26 years, 184 days
- 1910 (Cubs): 28 years, 1 day to 28 years, 184 days
- 1911 (Rustlers): 29 years, 1 day to 29 years, 184 days