Mike Pereira, Fox Sports rules analyst and the former NFL head of officiating, breaks down the calls made at the end of the Oakland Raiders' 31-30 win over the Kansas City Chiefs on Thursday, October 19, 2017. Mike Pereira Special to The Sacramento Bee
Mike Pereira, Fox Sports rules analyst and the former NFL head of officiating, breaks down the calls made at the end of the Oakland Raiders' 31-30 win over the Kansas City Chiefs on Thursday, October 19, 2017. Mike Pereira Special to The Sacramento Bee

Why did ref ‘wipe mustard’ off his shirt? Mike Pereira on NFL officials’ secret signals

October 24, 2017 04:33 PM