How old were they?

Billy Hamilton

CF · Born September 9, 1990

Age in each postseason series

1. 2019 NLDS (October 3, 2019), Braves vs Cardinals 2–3: 29 years, 24 days
2. 2020 NL Wild Card (September 30, 2020), Cubs vs Marlins 0–2: 30 years, 21 days

Age in each season

1. 2013 (Reds): 22 years, 204 days to 23 years, 22 days
2. 2014 (Reds): 23 years, 204 days to 24 years, 22 days
3. 2015 (Reds): 24 years, 204 days to 25 years, 22 days
4. 2016 (Reds): 25 years, 205 days to 26 years, 22 days
5. 2017 (Reds): 26 years, 204 days to 27 years, 22 days
6. 2018 (Reds): 27 years, 204 days to 28 years, 22 days
7. 2019 (Royals, Braves): 28 years, 204 days to 29 years, 22 days
8. 2020 (Mets, Cubs): 29 years, 205 days to 30 years, 22 days
9. 2021 (White Sox): 30 years, 204 days to 31 years, 22 days
10. 2022 (Marlins, Twins): 31 years, 204 days to 32 years, 22 days
11. 2023 (White Sox): 32 years, 204 days to 33 years, 22 days