ALAMEDA, Calif. — The Oakland Raiders have announced the hiring of new coach Dennis Allen, who will be formally introduced Monday.

Allen, the former Denver defensive coordinator, is getting a four-year contract.

New general manager Reggie McKenzie decided Tuesday to hire Allen to replace the fired Hue Jackson as head coach. The two sides finalized the details Thursday.

Allen is Oakland's seventh head coach since 2003. The Raiders have gone nine straight seasons without a winning record or a playoff berth, just missing out on the AFC West title on tiebreakers with an 8-8 record last season.