"He was cleared by the impact testing -- symptoms have resolved. He threw today," said manager John Farrell. "He rode a bike for 30 minutes -- no repeat of symptoms. We'll look to repeat the intensity of the work tomorrow, so he's turning the corner. So baseball activities will start to come into play a little bit more. By the end of this road trip, what we've got to figure out is whether it's better off for him to go get a game or two just to see some game speed. He's moving in the right direction."
Ryan Lavarnway has been holding down the fort as Jarrod Salatalmacchia's backup during the absence of Ross.
Ian Browne is a reporter for MLB.com. Read his blog, Brownie Points, and follow him on Twitter @IanMBrowne. This story was not subject to the approval of Major League Baseball or its clubs.