How old were they?

Matt Mantei

P · Born July 7, 1973

Age in each postseason series

1. 1999 NLDS (October 5, 1999), Diamondbacks vs Mets 1–3: 26 years, 90 days
2. 2002 NLDS (October 1, 2002), Diamondbacks vs Cardinals 0–3: 29 years, 86 days

Age in each season

1. 1995 (Marlins): 21 years, 268 days to 22 years, 86 days
2. 1996 (Marlins): 22 years, 269 days to 23 years, 86 days
3. 1998 (Marlins): 24 years, 268 days to 25 years, 86 days
4. 1999 (Marlins, Diamondbacks): 25 years, 268 days to 26 years, 86 days
5. 2000 (Diamondbacks): 26 years, 269 days to 27 years, 86 days
6. 2001 (Diamondbacks): 27 years, 268 days to 28 years, 86 days
7. 2002 (Diamondbacks): 28 years, 268 days to 29 years, 86 days
8. 2003 (Diamondbacks): 29 years, 268 days to 30 years, 86 days
9. 2004 (Diamondbacks): 30 years, 269 days to 31 years, 86 days
10. 2005 (Red Sox): 31 years, 268 days to 32 years, 86 days