England Rugby caught up with Sale Sharks on his journey to peak condition in the latest episode of O2 Inside Line.
Below, we look at five other rugby stars who transformed their bodies to get themselves into top condition.
#1. David Pocock
The Wallabies legend started out as an skinny 78kg teen who worked day in and day out to transform himself, with his size and strength came at a cost, Pocock told Australian Story.