According to the Atlanta Journal-Constitution, Collier experienced chest pains and his wife performed CPR and called 911.

Atlanta players were notified of Collier's death at 9:30 a.m. Saturday morning before a scheduled workout was cancelled.

The 7-foot, 260-pound Collier, a five-year NBA player, spent his first three seasons with Houston before joining Atlanta in 2003.

Collier played for Georgia Tech and was drafted by Milwaukee in the first round, with the 15th pick overall, in the 2000 NBA draft.