FILE – Chef Guy Fieri with his son Ryder (6) clap as the Oakland Raiders take the field against the Detroit Lions during their preseason game at O.co Coliseum in Oakland in this Saturday, Aug. 25, 2012 file photo.
lessFILE – Chef Guy Fieri with his son Ryder (6) clap as the Oakland Raiders take the field against the Detroit Lions during their preseason game at O.co Coliseum in Oakland in this Saturday, Aug. 25, 2012 file
... more Photo: MediaNews Group/Contra Costa Tim/MediaNews Group Via Getty ImagesGuy Fieri just opened a new restaurant at the San Francisco 49ers' Levi's Stadium, but he was donning the silver and black on Monday night on the sidelines of the Oakland Raiders' season opener against the Denver Broncos at the Coliseum.