Its Sunday and yesterday (Jan 15) was an action-packed day in college hoops.

Plenty of games that went down to the wire.

Lots of questions to be answered, like:

How would Duke bounce back from their first defeat?

Could Ohio State avoid being upset by Penn State?

How much longer can San Diego State ride the "Undefeated Train?"

Here's a lightning-fast recap of the most exciting moments from yesterday:

Read more College Basketball news on BleacherReport.com