Purchase Football uniform costumes and Cheerleading costumes...
you can usually find them cheap after Halloween.  Place them along with nerf
footballs and pom poms in your Dramatic Play area for the children to play with.

Pre-K Fun Theme Pages are for educational reference only! 
No copyright infringement is intended.
I do not claim any of these as my own ideas.  
They are shared from friends and fellow group members.  
Thanks for sharing all your great ideas!