Heisman Trophy winner Rashaan Salaam killed himself after struggling with depression, an autopsy report confirmed Thursday, but investigators will never know whether the one-time running back suffered chronic head trauma from playing football because his family did not consent to those tests. Salaam was found dead Dec. 5 in a park near the University of Colorado, where he played from 1992 to 1994, becoming one of the greatest players in the program's history. Salaam died of a self-inflicted gunshot wound to the head, an autopsy by the Boulder County Coroner's Office confirmed. More...