Buffalo Bills safety C.J. Gardner-Johnson was ejected and flagged for unsportsmanlike conduct after spitting on Las Vegas Raiders tight end Brock Bowers on Sunday, October 18.  The bizarre incident happened late in the second quarter of the teams’ game at Las Vegas’ Allegiant Stadium, as the two players were jawing with one another after a play.  CBS Sports cameras picked up the spit flying out of Gardner-Johnson’s mouth, which earned harsh criticism from legendary play-by-play announcer Jim Nantz.  “This is about as disrespectful as it gets,” Nantz, 67, said.  Taylor Swift...