During the week leading up to Carolina’s visit to Boston College, head coach Mack Brown and the Tar Heels preached the value of toughness. The Eagles, led by former NFL head coach Bill O’Brien, play a hard-nosed style of football, and UNC would need to match it in order to win. Needless to say, Carolina didn’t come close on Saturday. In a city known for its baffling roadways, BC’s Alumni Stadium displayed one-way traffic for three-and-a-half hours. UNC’s offensive production withered in the New England cold, with Omarion Hampton failing to reach the 100-yard plateau for the first time since early September. Jacolby Criswell threw three interceptions, including a pick-six in the fourth quarter which effectively ended the game. “You can give [Boston College] a lot of credit. They came out and they out-toughed us,” said Criswell. “They played better football than we did. And overall, we just have to do better.” On the defensive side, Carolina allowed more points to Boston College than...