gretzky number retired league wide
1 vote Vote for this answer. http://en.wikipedia.org/wiki/List_of_NHL_retired_numbers. Yes. Gretzky's no 99 is retired by the Edmonton oilers and Los Angeles Kings and of course by the league meaning that no player can ever wear that number again. 5 others players have had their number retired by 2 teams but only Gretzky i sleague wide.