For years, the representation of tennis players has been dominated by the big firms. IMG Tennis, with a list including Novak Djokovic and Maria Sharapova, represents over 140 tennis clients. French company Lagardere’s long list includes Caroline Wozniacki and John Isner, while Octagon represents Martina Hingis and Dominika Cibulkova. Enter Global Tennis Connections (GTC). Founded […]