How much fun was Tuesday night?

First, Dayton put on an amazing performance in an 89-62 victory over a previously unbeaten Virginia Tech team that had topped Michigan State just one day prior. Shouts to Obi Toppin. Then, Stephen F. Austin, as a 28-point underdog, beat No. 1 Duke 85-83 in overtime inside Cameron Indoor Stadium in what was one of the biggest upsets in college basketball history. Shouts to Nathan Bain.

Just an incredible evening.

Needless to say, the CBS Sports Top 25 And 1 daily college basketball rankings have been impacted. Duke was hit with the same 10-spot auto-drop that I previously used on Kentucky and Michigan State; it's the best way, in my opinion, to blindly punish obviously good teams with strong computer numbers for bad losses without overreacting to a suddenly questionable body of work. Meanwhile, undefeated Dayton jumped to No. 9 in Wednesday's updated Top 25 And 1 because, man, the Flyers just looked terrific against Virginia Tech -- and I won't be surprised at all if Anthony Grant's team beats Kansas in the title game of the Maui Invitational. Toppin, who is averaging 24.0 points and 8.2 rebounds in 30.0 minutes per game while shooting 72.3 percent from the field and 53.3 percent from 3-point range, will enter the showdown with the highest Player Efficiency Rating in the country. He's a legitimate National Player of the Year candidate.

Dayton-Kansas is scheduled to tip at 5 p.m. ET.

Can't wait for that.

And congrats to the new No. 1 in the Top 25 And 1: Louisville. The Cardinals are the fourth different school to be No. 1 in the Top 25 And 1 this season that is still only 23 days old. They'll take a 6-0 record into Friday's game with Western Kentucky.

Wednesday's Top 25 And 1

IN: Dayton
OUT: Virginia Tech