Washington will have 35 active players on the roster for Tuesday night, four players on the disabled list -- Stephen Strasburg, Stephen Drew, Sammy Solis and Joe Ross (60-day DL) -- with only catcher Spencer Kieboom and infielder Chris Bostick not receiving a promotion.
Giolito returns to the Majors, where he has made four starts with the Nationals this season, though he has not been able to replicate the success he has had in the Minors. He made 22 starts and pitched at three levels of the Minors this season, with a 2.