This week brought a significant shakeup to the No. 1 seeds in CBS Sports Bracketology as our model reacted to Iowa State and Vanderbilt losing for the first time. Both the Cyclones and Commodores have been displaced on the top line after taking lopsided road losses against unranked conference foes.

Mississippi State basketball suffered its most lopsided loss of the season against Vanderbilt. MSU's losing streak is now at five games.

Vanderbilt basketball got back in the win column, rebounding from a three-game losing streak by blowing out Mississippi State, 88-56, on Jan. 24 at Humphrey Coliseum. The 14th-ranked Commodores (17-3,