The White Sox made a roster move after Sunday afternoon's 9-3 win over the San Diego Padres, optioning infielder Cody Asche to Triple-A Charlotte.
A corresponding roster move will be made before Monday night's game against the Los Angeles Angels in Anaheim.
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To prevent speculation that the organization's top prospect, Yoan Moncada, could soon make his debut with the team, the White Sox said that the player added to the active roster will be a pitcher. Likely, that will mean an addition to the bullpen.