Mark Prior
P · Born September 7, 1980
Age in each postseason series
- 2003 NLDS (September 30, 2003), Cubs vs Braves 3–2: 23 years, 23 days
- 2003 NLCS (October 7, 2003), Cubs vs Marlins 3–4: 23 years, 30 days
Age in each season
- 2002 (Cubs): 21 years, 206 days to 22 years, 24 days
- 2003 (Cubs): 22 years, 206 days to 23 years, 24 days
- 2004 (Cubs): 23 years, 207 days to 24 years, 24 days
- 2005 (Cubs): 24 years, 206 days to 25 years, 24 days
- 2006 (Cubs): 25 years, 206 days to 26 years, 24 days