PepsiCo's Frito Lay unit has reportedly filmed an adfeaturing 49er Steve Young and his coach George Seifert alongwith Charger Stan Humphries. This new Doritos spot is expectedto run during the Frito Lay Halftime Show. Besides Frito Lay,Young is under contract with Nike, Sprint and a "collection ofother advertisers." A "standout performance" in the game couldenhance his marketability. Humphries' Nike contract expires atthe end of the Super Bowl. If Nike does not pick up hiscontract, "look for Reebok to enter the picture." David Burns ofBurns Sports Celebrity Service notes that advertisers are now"very aware" of Humphries (George Lazarus, CHICAGO TRIBUNE,1/26)....San Francisco ad agency Foote Cone & Belding, hasunveiled its annual "tongue-slightly-in-cheek Super Bowl scoutingreport" for potential new endorsers for advertisers. DeionSanders and Steve Young "are money in the bank"; Jerry Rice andJunior Seau "have untapped potential"; other players have a shot,but most "just aren't well ... ready for prime time." Some theagency's cute endorsement ideas: Dana Stubblefield -- "Nice namefor a Remington shaver commercial"; Ken Norton Jr. -- he and hisdad the heavyweight boxer could do a "warm-hearted AT&T long-distance commercial"; Stan Humphries -- "Given his much-publicized weight problems, Stan could be the man for an UltraSlimFast or Weight Watchers before-and-after commercial" (JohnFlinn, S.F. EXAMINER, 1/25)....USA TODAY's Super Bowl Ad Watchfeatures HBO, which has purchased one :60 spot that will airduring the first half (USA TODAY, 1/26).