Fans of the team up north have thrown a jab at Ohio State coach Jim Tressel and the Buckeyefootball program over an ongoing NCAA investigation.
A billboard along Interstate 94 between Ann Arbor and Detroit reads, "Liar, liar, vest onfire!" The gray and red message references Tressel's customary sweater vest and allegationsthat he knowingly played ineligible players last season.
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It is not clear who purchased the billboard.
Tressel is 9-1 against Michigan.
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