Video shows Bill Belichick can maintain his emotionless front even during the Patriots' biggest moments

12:35pm PST - November 8th, 2018    mark wahlberg - Business Insider

Bill Belichick's icy demeanor is one of his defining traits as a head coach. On Sunday, it was on full display, as NFL Films had Belichick "Mic'd Up" throughout the Patriots game against the Packers. Throughout the video, Belichick barely reacts to the Patrio…