Tony is currently Head of Performance at Manchester United F.C. This post involves managing staff and performance services of all players within the Academy structure. Tony was recruited by Sir Alex Ferguson in 2007 to lead innovation and change within the sports science department at Manchester United FC. The post lasted 8 years and involved the creation of The Human Performance Centre, which was dedicated to building a research department within the training ground environment. During that period, he was part of a World Club Championship, Premiership, UEFA Champions League, Carling Cup and Charity Shield winning team.

Tony completed his Post Graduate doctoral thesis with Liverpool John Moores University in 2006. The thesis was dedicated to establishing the physiological loads imposed on elite soccer players. Since then, he has continued to build a research profile and is now the current Editor of Soccer Science, a contemporary textbook published by Human Kinetics. This is a 26-chapter textbook dedicated exclusively to the role of sports science in soccer.

More recently, he was selected by the English Football Association to work with the English National team at FIFA World Cup 2014. Tony has occupied previous positions with Blackburn Rovers F.C., West Ham United F.C., The English F.A., Coventry City F.C., and United Soccer Academy.