Here's the Hobey Baker winners list sorted by the players' ages the day they won the award:
- Paul Kariya
---------- 20 ----------
- Robb Stauber
- Johnny Gaudreau
- Ryan Miller
- Tony Hrkac
- Kip Miller
---------- 21 ----------
- Bill Watson
- Neal Broten
- Matt Carle
- Tom Kurvers
- Chris Drury
- Brendan Morrison
- Jordan Leopold
- Ryan Duncan
---------- 22 ----------
- Mike Mottau
- Mark Fusco
- Kevin Porter
- Blake Geoffrion
- David Emma
- Scott Pellerin
- Chris Marinucci
- Brian Bonin
- Marty Sertich
- Brian Holzinger
- Jack Connolly
---------- 23 ----------
- Andy Miele
- Lane MacDonald
- Scott Fusco
- Jason Krog
- Peter Sejna
- George McPhee
- Drew LeBlanc
- Junior Lessard
---------- 24 ----------
- Matt Gilroy
Kariya is the only one to win it under the age of 20, and he was still 18.
Of the other players who were under 21 when they won the Hobey, Ryan Miller is the only one to have done it during Johnny's lifetime (Kariya was the reigning Hobey champ when Johnny was born), so it's certainly a rarity.