Dirk Nowitzki and Taylor Rooks re-enact Ja Morant's grenade celebration before the Mavs game

Dirk Nowitzki Talking To Rookie Jalen Brunson In college you never saw a frame like this 7 footer mobile shoot move This ain't no college killa This is the real deal here

Dirk Nowitzki hits a mid-range game winner vs the Lakers 2016

Yuki Kawamura hits the step back 3 over Dante Maddox Jr to get the crowd buzzing with a replayJay Huff is doing a sort of an air guitar celebration

Morez Johnson Jr blocks Adou Thiero's dunk attempt from behind with a replayThe Mavericks successfully challenge the out of bounds call

Replays of Dallas Mavericks highlights from the Summer League game vs the Oklahoma City Thunder so far

Ja Morant channels Shannon Brown with a nasty two-handed block vs the Lakers