The heaviest players on an NFL team almost all play on the offensive and defensive lines. For most teams it is a defensive tackle.
The position responsible for returning kickoffs on a football team is typically the kick returner.
By position, offense vs defense, coaching, etc.
Korey Stringer 359 lbs., Minnesota Vikings, tackle
You are the best at you position on your team.
Quarterback
Linebacker
It depends on what position.
1. Pick your position then show them what you got. 2. Go to a big Football event then a Scout might pick you and put you in a team.
Kevin McCallion
That would be the Outside Line Backer on the Defensive Team.
Gordon is a goalkeeper.
Cornerback