In the second, already down 4-0 to Tampa, the Mariners lost first baseman Mike Sweeney to an awkward checked swing.
A man with a history of back problems, Sweeney was clearly in pain and was led off the field by trainer Rick Griffin.
Ironically, Sweeney was playing first base because Russell Branyan hasn't played since Friday because of a stiff back.
Initial diagnosis from the clubhouse: Sweeney has muscle spasms.
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Jose Lopez is at first base, Ronny Cedeno at second now.