Free-agent linebacker James Harrison might have to wait until Friday to complete a deal with the Arizona Cardinals.

Harrison has begun his physical with the team and started to negotiate a contract, his agent, Bill Parise said, but with the team in San Diego for Thursday night’s game, there is a holdup in the process. Parise didn’t want to set a timeline for when a deal could possibly get done, but he said the whole process has been moving along smoothly.

Harrison, 36, was released by the Cincinnati Bengals in March after one season. He is coming off one of the worst seasons of his 11-year career. While starting 10 of 15 games for the Bengals, Harrison had 30 tackles, two sacks and one interception -- his worst production since 2004.

Harrison has started about 72 percent of his games throughout his career. His addition would give the Cardinals depth at outside linebacker behind John Abraham, Matt Shaughnessy, Alex Okafor and Sam Acho.

Last season in Cincinnati, Harrison made $3 million and had a $2.34 million cap hit.