Dallas Mavericks forward Kristaps Porzingis and head coach Rick Carlisle were seen working on left-hand jumpers in practice. And the Mavs 7-foot-3 young centerpiece was draining each shot. Peep the clip via All Things Mavs. As it turns out, Carlisle used to practice the same drill with Mavs icon Dirk Nowitzki. Kristaps Porzingis is practicing […]