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,

Trading franchise player, Luka Doncic and at that point, any name inserted in that [for] slot would be rejected immediately. Let’s be honest, it’s not like the Mavs shipped Luka out and got a bag of Doritos in return.