ORACLE CHALLENGER SERIES NEWPORT BEACH PLAYER FIELDS LED BY THREE-TIME GRAND SLAM DOUBLES CHAMPION, CAREER-HIGH WORLD NO. 8 JACK SOCK AND SOUTHERN CALIFORNIA NATIVE, FORMER WORLD NO. 10 COCO VANDEWEGHE Americans Bradley Klahn, Lauren Davis, Mackenzie McDonald, Reilly Opelka, Sofia Kenin Look to Make a Run as the Road to Indian Wells Heats Up NEWPORT BEACH, Calif., January … [Read more...] about Oracle Challenger Series Newport Beach Player Fields Named, Inaugural Oracle Champions Cup Announced