Vandy cancelled on Ohio state in 2013 and that started the domino's...

Report: Ohio State could host San Diego State in 2013
The Buckeyes have been searching for a non-conference game in 2013 to replace their Aug. 31 season-opener against Vanderbilt, which was recently canceled by the Commodores. San Diego State has apparently emerged as the most likely candidate.

Ohio State has been in talks with Buffalo to move their game, previously announced as Sept. 21, to the season-opener on Aug. 31. San Diego State would then be placed into the Sept. 21 slot or they could switch with Florida A&M (Sept. 7).