Bill Belichick said he did not know how the Patriots’ footballs became underinflated in Sunday’s game. By Matt PepinGlobe Staff January 22, 2015 Coach Bill Belichick said he did not know of any issue with the Patriots’ game balls in Sunday’s AFC Championship, and did not learn the league was investigating his team until Monday morning. He also said he did not know how the Patriots’ footballs became underinflated during the game. “I have no explanation for what happened,” he said. It was Belichick’s first appearance since news emerged that 11 of 12 footballs the Patriots used against the Colts...