Well typically a person with you're height should play running back, kick returner, or punt returner all 3 position require great speed.
Play fullback
anything but defensive linemen
Waterboy.
Benchwarmer.
The safest position to play in football, with the least amount of injuries, is either the punter or the kicker.
RunningBack
Q.B, running back, Wide Reciver
Cheerleader.
running back
Defensive tackle
Either lineman or fullback
You should play wide out your tall or tight End since your big to