At the end of the day, none of the other position groups matter much if the O-line doesn't establish a line of scrimmage. Without lanes, the running game stagnates and depends upon defensive miscues. Without an adequate pocket, the quarterback cannot progress to the open receiver or intelligently choose to advance the ball with his feet. Without communication and discipline, the offensive line foments flags, sacks, and blown-up plays. Notre Dame was able to win, early, last season, despite an ...