Novak Djokovic lobs shot at 'experts' by posting MRI of injury

(Photo credit: Mike Frey-Imagn Images)
Novak Djokovic apparently didn't take too kindly to being booed after he was forced to retire one set into his semifinal match at the Australian Open due to an injured left hamstring.

Djokovic posted a picture of his MRI taken of his hamstring on social media on Sunday.

"Thought I'd leave this here for all the sports injury 'experts' out there," the 24-time Grand Slam champion wrot