What compels a player — one rehabbing from Achilles tendon surgery who won’t take the court this season — to sign up for months away from home and no in-person interaction with those outside the NBA’s set up? Powell didn’t view it as a sacrifice because he has constant access to the team’s training staff, workouts and activities alongside his teammates. Neither did the Mavericks, who are using two of their 17 roster spots on Powell and injured guard Courtney Lee.
