How old were they?

Don Cherry

D · Born February 5, 1934

Age in each postseason series

1. 1955 Semifinals (March 22, 1955), Bruins vs Canadiens 1–4: 21 years, 45 days

Age in each season

1. 1954-55 (Bruins): 20 years, 238 days to 21 years, 84 days