I'm not sure what you mean by "post-expansion", by my reading of the wiki timeline (https://en.wikipedia.org/wiki/Expansion_team#National_Basketball_Association

I'm not sure what you mean by "post-expansion", by my reading of the wiki timeline (https://en.wikipedia.org/wiki/Expansion_team#National_Basketball_Association https://en.wikipedia.org/wiki/Expansion_team#National_Basket...) Jordan came in during the middle of what would become the longest drought between NBA expansions. (And considering the rest of the league at the time, it's hard for me to get my head around what "incredible for the era" could mean)