Osaka, Muguruza exit Madrid Open in 2nd round

Sara Sorribes Tormo, of Spain, celebrates a point against Naomi Osaka of Japan during their match at the Mutua Madrid Open tennis tournament in Madrid, Spain, Sunday. (AP Photo/Manu Fernandez)

MADRID — Naomi Osaka and Garbiñe Muguruza were among leading players to be knocked out of the Madrid Open on a day of upsets.