"I was with him yesterday and just encouraged him that when he's ready, to come on back," coach Rick Carlisle said. "I don't know when that will be. He can take as long as he needs."
A Dallas police statement said 38-year-old Bruce Harris died Thursday afternoon from injuries suffered in a crash. Police say Harris and another man were in a disabled vehicle when a car driven by a 23-year-old man slammed into it from behind. The car with Bruce Harris inside caught fire.
Mavericks teammate J.J. Barea visited with Harris' family on Thursday. Barea and Harris have been teammates since 2006.
The Associated Press contributed to this report.