Manchester-born Menelik Watson was a newcomer to American football just two years ago, but has since earned serious pedigree in the sport.
Olympic discus thrower Lawrence Okoye has never played American Football before, but is remarkably among three Britons who could turn professional by joining an NFL team.
The Londoner, who finished 12th in the men's discus final at London 2012, has reinvented himself over the past year as a potential pick for a team in the National Football League Draft, which is now underway.
The annual selection process in New York sees the 32 NFL teams take it in turns to select the new wave of non-professional players in a series of rounds.
At 6ft 6in and 21-stone, Okoye recently impressed scouts at tryouts in Texas who believe he could adapt his strength, speed and core discus skills to enjoy a career in their sport.
Discus thrower Lawrence Okoye has never played American football before, but is among three Brits who could turn pro by joining an NFL team.
A US college football star who said his girlfriend died of leukaemia denies being behind a hoax after it was revealed she never existed.
A US college football player claims to have been a victim of a hoax after his widely-reported story of his girlfriend's death was not true.