Stomach virus runs through Madrid Open field as tennis stars try to navigate puking and pollen‎

MADRID — Seven days in, the Madrid Open and the players left in the field could really use a break. First, there was the torrent of withdrawals, some for acute injuries and some for players managing their bodies, a month out from the climax of the clay swing at the French Open. Then came the pollen, yellow and white snowflakes of allergy-inducing grains from the vegetation around the Caja Mágica, the tennis center roughly six miles south of Madrid’s city center. It swirled in the air and fell on