Bobby Portis sets a very legal screen and refs double punish the Mavs with the foul for Giannis

Marc Gasol banks in the turnaround jumper at the buzzer plus the foul

Klay hits the 3 to give the Mavs the lead

Bobby Portis says Holmgren is 'too small' after the jump hook

Giannis gets the rebound and Zion snatches the ball right out of his hands