Wallabies fullback Israel Folau would make an excellent wide receiver in the NFL.
Bryan Habana has the physical tools and game-changing intuition to make a plausible switch to the NFL.
Springbok flank Schalk Burger would have made an excellent linebacker in American football.
Trevor Nyakane would have made a good middle linebacker if he had played American football instead of rugby.
Duane Vermeulen's toughness would have been his biggest asset if he had become a defensive end.
Springbok prop Tendai Mtawarira would make an excellent fullback in American football.
If Frans Steyn had been born in North Carolina instead of Aliwal North, would he have grown up to be a big-bodied NFL quarterback like Ben Roethlisberger?