Castellanos was on the lineup card as the starting third baseman for Wednesday's rematch against the Orioles in Sarasota, Fla. He could still play in that game, manager Brad Ausmus said, if the team's medical staff rules his hand OK.
Jason Beck is a reporter for MLB.com. Read Beck's Blog and follow him on Twitter @beckjason. This story was not subject to the approval of Major League Baseball or its clubs.