The Red Sox have placed outfielder Jacoby Ellsbury back on the disabled list with a rib injury. He came off the disabled list after missing five weeks last Saturday. Boston activated him under the belief that the injury wouldn't worsen, but that he wasn't fully healed. "[They] basically advised me that I needed to be at a further state of healing before I resume play," Ellsbury said. "To this point, right now I really don't have a timeline for when I'm coming back. Just talking with the medical staff, I'm going to do everything I can to get back on the field as soon as possible."