AI-assisted summary
Purdue, Michigan, and Michigan State have established themselves as the top three frontrunners in the Big Ten.
Seven to eight teams are considered legitimate contenders for the NCAA tournament as league play begins.
The bottom half of the conference has struggled, with several teams suffering significant losses in early season tournaments.
The Big Ten picture began to thicken as November closed, with contenders and tournament hopefuls beginning to come into focus just as the bottom of the conference fell into a hole.
We've got three established conference frontrunners now, with league play starting this week, plus perhaps seven to eight more teams with a legitimate shot at the NCAA tournament. After that, it gets unpleasant.
From the top.
Note: Records through Su

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