Michigan State fan hits his friend in the face while celebrating (Video)

Friends don't let friends hit each other in the face. Or something.

This Michigan State fan on the right had a little too much fun celebrating with his buddy during Saturday's game against Michigan and socked him in the face.

That had to hurt.

We can't blame him for being excited. The Spartan defense held Michigan to -48 yards rushing (remember, college statistics include sacks in rushing totals) in its dominating 29-6 win over its in-state rivals.

But that's no excuse to hit your friend in the face. Celebrate responsibly, people.

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Nick Bromberg is the assistant editor of Dr. Saturday on Yahoo Sports. Have a tip? Email him at nickbromberg@yahoo.com or follow him on Twitter!

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