Former NFL star tight end Todd Heap accidentally hit and killed his 3 year old daughter while moving his truck in the driveway of his Arizona home today ... according to police.
Mesa Police responded to an emergency call for a pedestrian hit by a vehicle around 3:45 PM. Officials transported Heap's daughter to the hospital ... where she later died.
Officials say Heap -- who played 12 seasons for the Ravens and Cardinals, and made 2 Pro Bowls -- showed no signs of impairment.
Heap's 3 year old daughter was the youngest of his 5 children.