DJOKOVIC AND NADAL FALL AS THIEM AND MEDVEDEV ADVANCE TO LONDON FINALE

© Reuters/TOBY MELVILLE ATP Finals By Martyn Herman LONDON (Reuters) - Rafa Nadal's dream of a first ATP Finals title and Novak Djokovic's quest for a record-equalling sixth vanished in defeats by Daniil Medvedev and Dominic Thiem in two seismic semi-finals on Saturday. © Reuters/TOBY MELVILLE ATP Finals As the curtain comes down on London's 12 years as...