How old were they?

Casey Mittelstadt

C · Born November 22, 1998

Age in each postseason series

1. 2024 1st round (April 21, 2024), Avalanche vs Jets 4–1: 25 years, 151 days
2. 2024 2nd round (May 7, 2024), Avalanche vs Stars 2–4: 25 years, 167 days
3. 2026 1st round (April 19, 2026), Bruins vs Sabres 2–4: 27 years, 148 days

Age in each season

1. 2017-18 (Sabres): 18 years, 313 days to 19 years, 159 days
2. 2018-19 (Sabres): 19 years, 313 days to 20 years, 159 days
3. 2019-20 (Sabres): 20 years, 313 days to 21 years, 160 days
4. 2020-21 (Sabres): 21 years, 314 days to 22 years, 159 days
5. 2021-22 (Sabres): 22 years, 313 days to 23 years, 159 days
6. 2022-23 (Sabres): 23 years, 313 days to 24 years, 159 days
7. 2023-24 (Avalanche): 24 years, 313 days to 25 years, 160 days
8. 2024-25 (Bruins): 25 years, 314 days to 26 years, 159 days
9. 2025-26 (Bruins): 26 years, 313 days to 27 years, 159 days
10. 2026-27 (Bruins): 27 years, 313 days to 28 years, 159 days