Duke wide receiver Jamison Crowder has looked crisp in and out of his breaks and is tough to defend out of the slot. Crowder isn't big at 5 feet 9, 175 pounds, but he is tough and compact and runs well after the catch. ... Another wide receiver who has had an encouraging week is Phillip Dorsett from Miami. Among the most sure-handed wide receivers here are Tyler Lockett (Kansas State) and Justin Hardy (East Carolina). ... NFL scouts have continually raved about the size and strength of Stanford wide receiver Ty Montgomery, who is built more like a running back at 6-2, 215 pounds. ... Despite an abdominal strain, Miami inside linebacker Denzel Perryman returned to practice Thursday. ... Missouri running back Marcus Murphy was added to the North roster.