By Frank Dalleres Optimism around England’s World Cup hopes has been dented after a new study found Gareth Southgate’s to be one of the most at risk of burnout. The Player Workload Journey report by global players’ union Fifpro identified England as one of the most overworked of the 32 teams at the tournament in Qatar. Captain Harry Kane, meanwhile, is among the individual stars to have had the biggest workload in the run-up to the finals. Footballers have been placed under greater strain than usual by the timing of this year’s first ever winter World Cup, which is being played in a shorter ti…