Quote Originally Posted by blue lewj View Post
They have the specific fitness to play their game/position as football players have to play theirs.

Like saying your footballer wouldn't have the skills to win a high diving contest (Neymar aside). Two different worlds and bodies engineered for those different worlds.
Rugby Union, league and aussie football is a collision contact sport , as is American football , they have to be very powerful

Centre backs are more muscular and taller than box to box midfielders in football