Mavericks waive Dwight Powell after 12 seasons

The Mavericks have waived Dwight Powell, parting with their longest-tenured player to reach the regular-season roster limit, the team announced Monday. Powell spent 12 seasons in Dallas after arriving in a 2014 trade. He returned on a minimum-salary contract shortly before training camp, but the Mavericks ultimately chose to keep their younger options and release the veteran center. “Dwight was the consummate professional throughout his 12 seasons with the Mavericks and embodies everything you want in someone representing your organization,” team president Masai Ujiri said in a statement. “He’s a tireless worker, an incredible teammate and someone whose impact extends…