It took less than one game for the critics to be proven exactly right about just how badly the Dallas Mavericks screwed up their trade of superstar point guard Luka Doncic to the Los Angeles Lakers as part of a three-team deal that saw Dallas land 32-year-old star forward Anthony Davis.

When an NBA team is about to play a momentous game, even in the regular season, it isn't uncommon for their legends to come and lend support from the stands. It's a bit rarer, however, for somebody else's legend to come to your building to do so,