Beckham, Gilmore go back and forth on social media

Eleven weeks before Giants receiver Odell Beckham Jr. blew a gasket against the Panthers, he nearly did the same thing against the Bills. More recently, Beckham and Buffalo cornerback Stephon Gilmore opted to blow a gasket social media style, trading insults on Instagram. According to Tyler Dunne of the Buffalo News, Beckham posted a photo of himself…