How old were they?

Billy McKinney

RF · Born August 23, 1994

Age in each postseason series

1. 2021 NL Wild Card (October 6, 2021), Dodgers vs Cardinals 1–0: 27 years, 44 days
2. 2021 NLDS (October 8, 2021), Dodgers vs Giants 3–2: 27 years, 46 days

Age in each season

1. 2018 (Blue Jays, Yankees): 23 years, 221 days to 24 years, 39 days
2. 2019 (Blue Jays): 24 years, 221 days to 25 years, 39 days
3. 2020 (Blue Jays): 25 years, 222 days to 26 years, 39 days
4. 2021 (Brewers, Mets, Dodgers): 26 years, 221 days to 27 years, 39 days
5. 2022 (Athletics): 27 years, 221 days to 28 years, 39 days
6. 2023 (Yankees): 28 years, 221 days to 29 years, 39 days
7. 2024 (Pirates): 29 years, 222 days to 30 years, 39 days
8. 2025 (Rangers): 30 years, 221 days to 31 years, 39 days