Anthony Mundine, Jarryd Hayne, Israel Folau, Ronda Rousey, all household names who have successfully transitioned from one professional sport to another. But in recent days, former professional NRL star Daniel Vidot has brought new meaning to the term ‘code hopping’ by signing a 2 year developmental contract with the WWE. What motivates these athletes and how do they adjust to the different demands on foreign sports? To discuss code hopping with us was Professor Robin Callister from the School of Medical Biomedical Sciences and Pharmacy at The University of Newcastle.