WATCH: Keldon Johnson with insane game winning block on Donovan Mitchell

Keldon Johnson’s stunning block in the closing seconds ensured San Antonio held on to beat Cleveland.  With 6.7 seconds left, timed his leap perfectly to block a lay-up from Donovan Mitchell, who scored 28 points.

Darius Garland then missed a last-gasp three-pointer for the Cavaliers at the AT&T Center in San Antonio.