By Thomas Neumann The Knights, members of the Atlantic Sun Conference, stunned the crosstown Cardinals, 67-66. It’s the time of year when college basketball bluebloods schedule small schools with the expectation of easy victories as they tune up their performance. But every once in a while, David slays Goliath. That’s what happened at the KFC Yum! Center on Wednesday, when Bellarmine stunned crosstown foe Louisville, 67–66, spoiling the debut of Kenny Payne as Cardinals coach. Garrett Tipton scored 21 points to lead Bellarmine, which built a 14-point first-half lead and withstood a second-half…