The Twins have recalled outfielder Matt Carson from Class AAA Rochester to replace the injured Denard Span on the active roster.
Carson should join the team in time for tonoght's game in Kansas City.
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Thursday's finale with White Sox didn't start on schedule at 12:10 p.m., and the team is hoping to avoid scheduling another doubleheader because of rain.
The Twins beat the White Sox 4-2 on Wednesday as Miguel Sano homered and Jose Berrios pitched eight innings.
Hector Santiago and Phil Hughes each had scoreless and hitless outings Wednesday for Class AAA Rochester during their rehabilitation stints.
The 'home' games will be played April 17 and April 18 next year.
Ervin Santana hasn't had back-to-back starts this bad in almost exactly a year, since he gave up five runs in three straight starts from June 4 to June 14.