How old were they?

Randall Simon

1B · Born May 25, 1975

Age in each postseason series

1. 2003 NLDS (September 30, 2003), Cubs vs Braves 3–2: 28 years, 128 days
2. 2003 NLCS (October 7, 2003), Cubs vs Marlins 3–4: 28 years, 135 days

Age in each season

1. 1997 (Braves): 21 years, 311 days to 22 years, 129 days
2. 1998 (Braves): 22 years, 311 days to 23 years, 129 days
3. 1999 (Braves): 23 years, 311 days to 24 years, 129 days
4. 2001 (Tigers): 25 years, 311 days to 26 years, 129 days
5. 2002 (Tigers): 26 years, 311 days to 27 years, 129 days
6. 2003 (Pirates, Cubs): 27 years, 311 days to 28 years, 129 days
7. 2004 (Pirates, Devil Rays): 28 years, 312 days to 29 years, 129 days
8. 2006 (Phillies): 30 years, 311 days to 31 years, 129 days