Englewood, Colo. ? Denver Broncos wide receiver Kenny McKinley was found dead in his apartment Monday in an apparent suicide.

Arapahoe County Sheriff Grayson Robinson said authorities were called to McKinley’s apartment in Centennial at 3:35 p.m. local time and found his body in the second-floor master bedroom. He said detectives believe McKinley, 23, was killed by a self-inflicted gunshot wound.

Robinson said authorities were called by a female friend of McKinley’s who discovered the body after returning from an errand with his child. The sheriff declined to say if authorities found a suicide note.

“It’s still part of our investigation and probably nothing we’ll talk about right now,” he said.

McKinley’s death is the latest in a series for tragedies for the Broncos in recent years. Cornerback Darrent Williams was slain in a drive-by shooting on New Year’s Day 2007 and three months later backup running back Damien Nash collapsed and died after a charity basketball game in St. Louis.

“Everyone with the Broncos is shocked and saddened by the loss of Kenny McKinley,” team owner Pat Bowlen said in a statement. “He was part of the Broncos’ family and will be greatly missed by our organization.”