College Colors Day: Represent your school!

Can anything top Michigan's 35-31 win in 2011, which was the first night game in the history of Michigan Stadium? AP Photo/Tony Ding

Which college has the most devoted football fans?

That's what College Colors Day aims to determine.

How can you show your allegiance? It's simple, visit the online home of College Colors Day to vote for your school and get a chance to win weekly $50 gift cards from ESPN Shop and one of two grand prizes, including a $500 college shopping spree at ESPN Shop.

So don't forget to wear your favorite school's gear on College Colors Day -- Aug. 31.

Rah! Rah! Sis boom bah!