For a brief moment, as Notre Dame clung to a 14-7 lead late in the second quarter, Pat Coogan was wide receiver No. 1. Coogan saw senior quarterback Riley Leonard’s second-down pass deflect into his midsection, batted by a Stanford linebacker who sat on the run-pass option. He caught it at the Cardinal’s 25-yard line, first contacted a defender at the 21 and barreled his way to the 16. The senior center dragged three would-be tacklers with him for a first down. It was that kind of day for the Irish, who would soon go up by two scores on a 5-yard bullet from Leonard to graduate student wide rec…