How old were they?

Luis Valbuena

3B · Born November 30, 1985

Age in each postseason series

1. 2015 AL Wild Card (October 6, 2015), Astros vs Yankees 1–0: 29 years, 310 days
2. 2015 ALDS (October 8, 2015), Astros vs Royals 2–3: 29 years, 312 days

Age in each season

1. 2008 (Mariners): 22 years, 123 days to 22 years, 306 days
2. 2009 (Indians): 23 years, 122 days to 23 years, 305 days
3. 2010 (Indians): 24 years, 122 days to 24 years, 305 days
4. 2011 (Indians): 25 years, 122 days to 25 years, 305 days
5. 2012 (Cubs): 26 years, 123 days to 26 years, 306 days
6. 2013 (Cubs): 27 years, 122 days to 27 years, 305 days
7. 2014 (Cubs): 28 years, 122 days to 28 years, 305 days
8. 2015 (Astros): 29 years, 122 days to 29 years, 305 days
9. 2016 (Astros): 30 years, 123 days to 30 years, 306 days
10. 2017 (Angels of Anaheim): 31 years, 122 days to 31 years, 305 days
11. 2018 (Angels of Anaheim): 32 years, 122 days to 32 years, 305 days