While the breezy win sent an ominous warning to his Australian Open rivals, he revealed he's been hooked up to #machines to treat his lingering #hamstring injury for large part

Hardik all but #ruled out of Wales clash due to #hamstring injury

Djokovic had a medical timeout, seemingly #hampered by an existing #hamstring injury, but came through.

Hardik all but ruled out of Wales clash due to #hamstring #injury