Jeff Sperbeck died after falling off a golf cart. Riverside County Sheriff Chad Bianco says it "appears to be a horrific accident."

Hall of Fame Broncos quarterback John Elway was behind the wheel when his longtime agent, Jeff Sperbeck, fell off a golf cart Saturday night and suffered injuries that have left him on life support, according to TMZ.

Reality star Johnny Bananas was reportedly riding with John Elway during the golf cart accident that killed his longtime agent, Jeff Sperbeck. Bananas, whose real name is John Devenanzio, is best known for his long-running tenure on MTV's The Challenge.