Red Sox slugger David Ortiz will remain in the Massachusetts General Hospital until today as a precaution, and will undergo further medical tests, as reported by the team. Ortiz had felt palpitations at the beginning of the month and again before last Sunday's game in Oakland. He returned to Boston for tests. Ortiz was admitted to the hospital on 19 August for a complete examination. According to the results, he was given the OK to play again once his condition improves.

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