ALAMEDA, Calif. (AP) - The father of Oakland Raiders coach Dennis Allen has died.

The team said Tuesday that former NFL linebacker Grady Allen died overnight at age 66 from cardiac arrest.

Dennis Allen had left the Raiders on Sunday night to go to the Dallas area to be with his father, who was hospitalized last week. Dennis Allen is expected to rejoin the team Wednesday night and coach Oakland against Denver on Thursday night.

Grady Allen played 59 games over five years as a linebacker with the Atlanta Falcons.