How old were they?

Guillermo Heredia

CF · Born January 31, 1991

Age in each postseason series

1. 2021 NLDS (October 8, 2021), Braves vs Brewers 3–1: 30 years, 250 days
2. 2021 NLCS (October 16, 2021), Braves vs Dodgers 4–2: 30 years, 258 days
3. 2021 World Series (October 26, 2021), Braves vs Astros 4–2: 30 years, 268 days

Age in each season

1. 2016 (Mariners): 25 years, 61 days to 25 years, 244 days
2. 2017 (Mariners): 26 years, 60 days to 26 years, 243 days
3. 2018 (Mariners): 27 years, 60 days to 27 years, 243 days
4. 2019 (Rays): 28 years, 60 days to 28 years, 243 days
5. 2020 (Pirates, Mets): 29 years, 61 days to 29 years, 244 days
6. 2021 (Braves): 30 years, 60 days to 30 years, 243 days
7. 2022 (Braves): 31 years, 60 days to 31 years, 243 days