A grounds crew worker cuts the infield in front of empty seats at T-Mobile Park on March 26, around the time when the first pitch would have been thrown in the Mariners' opening day game against the visiting Texas Rangers. Baseball is still trying to broker a season even as league officials shut down all training facilities in Florida and Arizona on Friday amid reports of numerous positive tests that include five stricken Philadelphia Phillies and two members of the Angels organization. (Ted S. Warren / AP)
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