Former Premier League forward Duncan Watmore swapped the matchday dressing room for international diplomacy after addressing delegates at the United Nations General Assembly in New York.The former Sunderland and Middlesbrough striker took to the stage during Global Health Futures Day to argue that lessons from elite athletic performance should be used to improve everyday public health.The 32-year-old completed a first-class economics degree and a masters while playing 336 times in his 15-year pr