Injured Kei Nishikori retires from quarterfinal clash against Novak Djokovic

Kei Nishikori retired from his quarterfinal against top seed Novak Djokovic on Wednesday, succumbing to an injured thigh as he trailed 6-1, 4-1.Nishikori, ranked ninth ...

from Sports – The Japan Times http://bit.ly/2WdMCKR