The Oakland Raiders have signed Criner to make sure all their rookies are in camp before the first training camp practice.||||||| Criner signed his deal Sunday morning, the mandatory reporting day for the Raiders. The team starts practice under new coach Dennis Allen on Monday. Criner was drafted with a compensatory pick at the end of the fifth round in April's draft. He immediately became a star of offseason workouts and is being counted on to contribute immediately to the Raiders, especially after the recent trade of receiver Louis Murphy to Carolina.