Rio Ferdinand faces a huge transformation from retired footballer to professional boxer but his hulking physique should give him a head start.
The former Manchester United defender is aiming to be granted his boxing license and compete for a belt, aided by Betfair.
With the 38-year-old likely to compete at cruiserweight, his raw power and strength will no doubt come in handy when he laces up the gloves.
But Ferdinand hasn't always cut the physically dominant figure he is today.