An FDA recall on chocolate-covered fruit and nuts sold in Ohio and elsewhere has been upgraded to the most serious classification due to an undeclared allergen, according to media reports.

So what are those stickers on Ohio State's helmets? Here's everything you should know ahead of the national championship.

This team name has become an important part of Ohio State's identity ... Buckeye trees tend to bloom in late summer and early fall, and they grow large Buckeye nuts. If you thought it silly ...