If you can believe it, summer is winding down and football season will be upon us before you know it. Check out the following videos in which NFL players chant, sing, dance and rejoice during their final days of training camp.

Brandon Marshall

Ryan Davis

Kelvin Hayden

Indianapolis Colts

Arthur Jones

Atlanta Falcons

Bonus:

Oklahoma State University celebrates Coach Mike Gundy’s birthday (pay attention at :32 mark)

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Texas A&M get the day off

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