DETROIT — The Detroit Lions signed fourth-round draft pick A.J. Davis to a three-year contract Tuesday.
Davis had 135 tackles and four interceptions during at North Carolina State.
The Lions have yet to sign top draft pick Calvin Johnson and three others: quarterback Drew Stanton of Michigan State, defensive end Ikaika Alama-Francis of Hawaii and safety Gerald Alexander of Boise State.
Players are scheduled to report to training camp Wednesday. The first practice is scheduled for Thursday.