Best GameDay signs: Week 7

— -- It has only been two years since Michigan hosted College GameDay, but there's no denying the atmosphere in Ann Arbor is completely amplified with Jim Harbaugh on the sidelines.

Rece, Herbie and the gang returned, and yes, there were khaki pants abound.

Here are some of the most savage, clever and funny signs from the crowd. Use #SignUpForGameDay on Twitter to let us know your favorite.