Monfils replaced by Goffin at Tour Finals

Frenchman Gael Monfils withdrew from the ATP World Tour Finals with a rib injury on Wednesday meaning Novak Djokovic will play alternate David Goffin in his final group match. World number six Monfils, a debutant at the tournament after an impressive year in which he reached the U.S. Open semi-final, could not make the last four in London after losses to Milos Raonic and Dominic Thiem in his opening two matches. "I couldn't practise." Monfils sustained the injury in Stockholm in October and was