A three-team race for the top spot in the Big Ten between Michigan State, Purdue and Michigan is heating up. So, too, is a battle for a top-four seed in the Big Ten Tournament.

The Big Ten basketball standings received a shake-up this week as first-place Michigan State dropped its first game of the season.

USC had one of the biggest wins of the year in the Big Ten when they stifled MSU with their lengthy, aggressive defense on Saturday, frustrating Spartan fans and helping them move up the rankings.

Illinois' men's basketball team has lost three of its past five games. Four of its last seven. Three of those four losses were upsets.

Here's an updated look at where Big Ten basketball teams sit in the latest USA TODAY Sports Coaches poll and AP Top 25 rankings:

Iowa, Illinois and Indiana all made jumps, while Michigan and Minnesota took tumbles in the latest Big Ten women's basketball power rankings.

What had already been a recent run of bizarre games in the Big 12 Conference turned even more psychotic on Saturday. There were player and coach ejections, a snubbed postgame handshake, a massive second-half comeback and two huge upsets by road teams to snap the home teams' long winning streaks on its court.