Cena out, vows to return

... in his arm and shoulder was gone,'" Dr. Amann recalled. "As far as what could’ve gone wrong during surgery is infection and not removing all the disk material. In Cena’s case, everything went well," Dr. Armann added. "Dr. Maroon and I expect a full recovery. In a couple of weeks, he’ll be able to start with leg cardio, and then resistance training in four to six weeks. The bone graft that was ...