Nationals manager Dusty Baker said that Ross will make a rehab start, which would rule him out to start on Sunday, Chelsea Janes of the Washington Post reports.

EDGE Analysis

At this time it's unclear when or where this rehab outing will take place. If all goes well in his start, Ross is in line to return at some point next week. Lucas Giolito looks like the clear favorite to start for the Nationals on Sunday.