John Mercer
1B · Born January 22, 1892
Age in each season
- 1912 (Cardinals): 20 years, 70 days to 20 years, 253 days
How old were they?
Every NFL player's age on game day: every Super Bowl and every season since 1966.
Every NFL player's age on game day: every Super Bowl and every season since 1966.
1B · Born January 22, 1892