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05/19/09 7:13 PM ET

No diagnosis yet for Votto's dizziness

Reds first baseman remains out; Bray has elbow surgery

CINCINNATI -- For now, the reasons behind Reds first baseman Joey Votto's dizziness will continue to keep everyone in suspense.

Votto, who was out of the lineup again for Cincinnati's series opener against Philadelphia, saw more doctors Tuesday, but declined to discuss his condition. All that is known is he has more doctor visits on the docket.

"Joey has undergone a series of tests at the Scripps Clinic in San Diego and here in Cincinnati, and we have more tests scheduled over the next few days," Reds head trainer Mark Mann said in a statement released by the club. "After those additional tests, we will be more prepared to discuss the cause of his dizziness."

In other words, no one knows yet why Votto has been dizzy.

Votto's health issues began May 7, when he missed four straight starts because of the flu. On May 12 at Arizona, he had to leave in the middle of a game when he felt dizzy and missed the next game. The 25-year-old became dizzy again during Saturday's game at San Diego and had to leave.

Although he did not play Sunday, Votto again experienced dizziness after the game against the Padres and was held back in San Diego for more tests.

Votto has been the biggest cog in the Reds' lineup this season. In 32 games, he is batting .366 with five home runs and 27 RBIs. On Tuesday, Adam Rosales started at first base.

In other medical news, left-handed reliever Bill Bray underwent ligament replacement surgery to repair a tear inside his left elbow and will be out for 10-12 months. Team medical director performed the Tommy John procedure on the oft-injured Bray, who went on Triple-A Louisville's disabled list April 16 with an elbow strain.

Mark Sheldon is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.