How long can Michigan hold on to No. 1? 

January, 28, 2013
Jan 28
2:35
PM ET
By Luke Lapinski | ESPN.com
The only thing that's been consistent about the top spot in the polls recently is that a new No. 1 seems to emerge each week. Three weeks ago, it was Duke. Then it became Louisville. Duke took over again last week, and now the honor goes to Michigan.

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Rumor Central represents regular tips and analysis from ESPN sources plus numerous credible external sources from every form of media. We will speculate intelligently and consider future possibilities on open-ended topics. If something looks speculative, it was intended to be.