Salvatore “Sam” Giangreco, of Auburn, right, and his wife, Sheila, have been a fixture at Bills games for decades. They used to fly a banner promoting their wedding band, the Blue Lights, before the band broke up and the rules changed. Family and friends – that’s Sheila in the middle – help unfurl the vintage banner in the parking lot before the regular-season finale against the Jets at Highmark Stadium.