Head coach Steve Kerr recently recalled the moment when Thompson told him that he was going to sign with the Mavericks, and he understood his decision.

While remaining stone-faced, Kerr waved at Boston fans by way of a trolling greeting. It was the kind of grace under pressure that has become a staple of the longtime NBA sharpshooter's tenure as a head coach with Golden State, whom he has in that capacity led since 2014.