Dallas Cowboys owner Jerry Jones does not anticipate making any more coaching changes this season. Additions to the roster are another story. Jones said Wednesday at the NFL’s annual fall meeting that the hiring of longtime defensive assistant Mike Pettine earlier this month was strategic and unique. "[Pettine] had a background with our coordinators and was with us in the spring," Jones said. "It fit. He wanted to come help. That’s a pretty significant qualifier for somebody that has that kind of background with everybody involved. So, it was as much about his uniqueness as it was about what w...