If the Big Ten wants to win this year's ACC/Big Ten Challenge, it already must be concerned after Virginia upset Minnesota, 87-79, last night in Minneapolis.

Michigan gets its game tonight in Clemson, S.C., against a somewhat familiar opponent. Michigan beat Clemson, 62-59, in the first round of the 2009 NCAA tournament.

Stop by at noon and chat with AnnArbor.com's Michael Rothstein about Michigan-Clemson, the ACC/Big Ten Challenge and anything else you'd like. If you want to leave questions in advance, do it in the comments.