How old were they?

Cesar Hernandez

2B · Born May 23, 1990

Age in each postseason series

1. 2020 AL Wild Card (September 29, 2020), Indians vs Yankees 0–2: 30 years, 129 days
2. 2021 ALDS (October 7, 2021), White Sox vs Astros 1–3: 31 years, 137 days

Age in each season

1. 2013 (Phillies): 22 years, 313 days to 23 years, 131 days
2. 2014 (Phillies): 23 years, 313 days to 24 years, 131 days
3. 2015 (Phillies): 24 years, 313 days to 25 years, 131 days
4. 2016 (Phillies): 25 years, 314 days to 26 years, 131 days
5. 2017 (Phillies): 26 years, 313 days to 27 years, 131 days
6. 2018 (Phillies): 27 years, 313 days to 28 years, 131 days
7. 2019 (Phillies): 28 years, 313 days to 29 years, 131 days
8. 2020 (Indians): 29 years, 314 days to 30 years, 131 days
9. 2021 (Indians, White Sox): 30 years, 313 days to 31 years, 131 days
10. 2022 (Nationals): 31 years, 313 days to 32 years, 131 days