Novak Djokovic was the special guest at a New York Yankees baseball game ahead of the U.S. Open and his appearance sparked concerns over his physical condition

The legend delivered the ceremonial first pitch at Yankee Stadium ahead of the New York Yankees' showdown with the Boston Red Sox. The 38-year-old drew cheers as he stepped onto the diamond wearing a white sleeve on his serving right arm.

Former tennis World No. 1 Novak Djokovic says the expansion of most ATP Masters 1000 events to 12 days makes them "just way too long for me" as he focuses on his pursuit of a record 25th Grand Slam title.

The Serbian ace played the mixed doubles tournament together with Olga Danilovic during the 'Fan Week' in New York and practiced very hard to be ready, but no one knows what to expect from him in this tournament and the first rounds will be crucial to understand his real ambitions.

Novak Djokovic is targeting a 25th Grand Slam title at the US Open, but the Serbian has been told he's a fading force in the game he once dominated.