Concussion Sidelines Hinch

Oakland A’s catcher A.J. Hinch was listed as day-to-day after suffering a concussion during Thursday’s 12-2 victory over the Kansas City Royals.

Hinch was struck in the right temple by a foul ball. The rookie catcher was treated at Oakland Coliseum Thursday night and was monitored throughout the evening.

“He took a glancing blow to the temple,” team physician Dr. Jerrald Goldman said. “He had a brief loss of consciousness.”

Hinch, 23, who played at Stanford and was the starting catcher on the 1996 Olympic team, is batting .289 with one homer and six runs batted in in 13 games.

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The Baltimore Orioles put Mike Mussina on the 15-day disabled list and remained hopeful the ace right-hander will miss only two starts because of a painful wart on the index finger of his pitching hand. Baltimore called up right-hander Sidney Ponson from Rochester, its affiliate in the triple-A International League. It was unclear whether Ponson, 21, who has never pitched in the majors, would replace Mussina in the rotation. . . . Chili Davis, the New York Yankees’ designated hitter, will undergo surgery Monday to repair a torn tendon in his right ankle and will be sidelined for at least eight weeks. Davis, 38, went on the disabled list April 7, retroactive to April 3. . . . Texas reliever Danny Patterson, who had arthroscopic shoulder surgery last September, was activated from the disabled list. To make room for Patterson, the Rangers designated right-hander Julio Santana for assignment.