Did you catch what the Djoker pulled at the US Open presser? After notching his 75th straight first-round Slam win, Novak Djokovic turned the spotlight on Serena Williams, jokingly challenging her to return to the tour. With Venus still swinging at 45, and Serena never officially retiring, could we see the Queen back on court? The tennis world would go wild for a Serena vs. Novak moment! #Sports #Tennis #Djokovic