He could try to run track first and come back to football because you tell anyone in a decision position they will take a 6'5 athlete that can run 10.2 speed at any age under 25 and give him a chance..The older they get, the less chances they will get to jump sports. He has 2, maybe 5 years to try to make the Olympics then his chances will start to dry up.
I know we are football fans here primarily but its the kids life, let him do him.. I hope he does it here.. Kid is a super talent