The Associated Press reported yesterday that the Oakland Raiders plan to interview Steelers offensive coordinator Ken Whisenhunt in the coming days for their head coaching vacancy. Whisenhunt could move to the top of the team's list if the meeting goes well. Whisenhunt will follow Al Saunders, James Lofton and Rod Marinelli in formally interviewing with the Raiders. Oakland also held an informal talk with former St. Louis Rams coach Mike Martz, although nothing came of that meeting. Martz, however, wasn't someone Davis considered a candidate for the top job but, perhaps, for offensive coordinator. Whisenhunt is in his ninth season as an NFL coach and second in charge of the Steelers offense after working the previous three years as the team's tight ends coach. Since meeting with the Raiders last month, Saunders left the Kansas City Chiefs to become offensive coordinator of the Washington Redskins. Marinelli, the former defensive