My favorite thing about 15 is that it could really be his. If he ever really became a star he'd have a good look at the best NHLer in 15 ever, possibly in (American Big 4) sports.
Look at this list, Starr is the clear winner at the moment:
On this list of NHLers its Milt Schmidt, who I've never heard of:
https://www.si.com/nhl/photos/2010/09/30greatest-nhl-players-by-jersey-number#15
#9 is obviously a bit tougher...