Michigan puts out more 2015 offers 

January, 22, 2013
1/22/13
4:22
PM ET
ANN ARBOR, Mich. -- Michigan doubled its 2015 offers in stopping at just one school, going from two to four offers in the matter of a few hours. And both offers show where the Wolverines want to improve greatly over the ensuing seasons -- in the trenches and run game.