Tennis No.1 Novak Djokovic shows off his other ball skills as he celebrates winning season in St Tropez

By DAILY MAIL REPORTEROn your head son: Serbian tennis player Novak Djokovic plays with a football as he holidays in St Tropez As the newly-crowned World No.1 men's tennis player, Novak Djokovic is known for his ball skills.But the Serbian star showed he's just as nifty with a football as he played in the Mediterranean yesterday. Following his stunning season, the 24-year-old treated his