What a Round of 64 that was.
It didn't seem like Thursday could be beaten, but Friday surely did make it a close call. From Mercer's stunning upset of Duke to the ejection of Nebraska head coach Tim Miles, there was non-stop drama from Raleigh to San Diego.
March Madness is in full swing, and there is no telling what will happen next. Here are the winners and losers from a dynamic and unpredictable Day 4: