Novak challenges McIlroy for the Green Jacket
Known for his wit and jokes, Novak Djokovic issued Rory McIlroy with a tennis match challenge with the prize being Rory's Green Jacket.
PICTURES: McIlroy, Team Europe watch Wimbledon
Wimbledon is tennis' hottest ticket and what better place to do a Ryder Cup Team Europe bonding session - take a look.
