CALDWELL By Parrish Alford Daily Journal OXFORD – Terry Caldwell reached the top of the depth chart at middle linebacker by default this week. The good news is he’d been making a steady ascent. The first-year junior college transfer would not have overtaken Ole Miss senior C.J. Johnson without an injury. He had already overtaken Johnson’s back-up, however, and approaches this morning’s homecoming game against New Mexico State with the confidence that comes from improvement. “I feel a lot more comfortable in the defense.