By Andrew Gould Unfortunately for Notre Dame, there’s no mercy rule in college basketball. Sunday’s showdown between the No. 4 Louisville Cardinals and No. 14 Fighting Irish has devolved into a truly one-sided affair. Louisville left the first quarter boasting a sizable 31-3 edge, with Maya Dodson making Notre Dame’s only field goal midway through the period. It only got worse. Following Notre Dame’s first basket, the Cardinals went on a jarring 23-0 run that extended into the second quarter. Notre Dame went eight and a half minutes without scoring before Sonia Citron finally hit a free throw …