Raiders owner Al Davis (seen here), who died Saturday, carried on a long feud with Mike Shanahan, a former Raiders coach. But Shanahan, now with the Redskins, said, "I never met a guy that had more passion and worked harder than Al Davis." (Associated Press)

Raiders owner Al Davis (seen here), who died Saturday, carried on a long feud with Mike Shanahan, a former Raiders coach. But Shanahan, now with the Redskins, said, "I never met a guy that had more passion and worked harder than Al Davis." (Associated Press)