Liam O'Brien
C · Born July 29, 1994
Age in each postseason series
- 2026 1st round (April 19, 2026), Mammoth vs Golden Knights 2–4: 31 years, 264 days
Age in each season
- 2014-15 (Capitals): 20 years, 64 days to 20 years, 275 days
- 2016-17 (Capitals): 22 years, 64 days to 22 years, 275 days
- 2017-18 (Capitals): 23 years, 64 days to 23 years, 275 days
- 2020-21 (Avalanche): 26 years, 64 days to 26 years, 275 days
- 2021-22 (Coyotes): 27 years, 64 days to 27 years, 275 days
- 2022-23 (Coyotes): 28 years, 64 days to 28 years, 275 days
- 2025-26 (Mammoth): 31 years, 64 days to 31 years, 275 days
- 2026-27 (Mammoth): 32 years, 64 days to 32 years, 275 days