LSU junior defensive linemen Barkevious Mingo, Sam Montgomery and Bennie Logan will declare for the 2013 NFL draft, sources told ESPN's Joe Schad. The 6-foot-5, 240-pound Mingo recently was rated as the No. 5 overall draft prospect by Scouts, Inc. and as the second-best junior defensive end by ESPN's NFL draft Insider Mel Kiper Jr. The 6-foot-4, 245-pound Montgomery, a defensive end, was ranked 18th overall by Scouts, Inc., while Logan was rated by Kiper as the fifth-best defensive tackle among juniors.