by Martin Parry Agence France Presse MELBOURNE, Australia (AFP) — Rafael Nadal’s drive towards a 17th Grand Slam title came to a shuddering injury-induced halt Tuesday on a day of Australian Open upsets that saw unseeded Kyle Edmund and Elise Mertens make the semi-finals. The world number one retired against Marin Cilic after a muscle in his upper right leg began troubling him in the fourth set on Rod Laver Arena, with the Spaniard wincing […]