Leather­heads movie trail­er Su­per Bowl com­mer­cial with George Clooney and Re­nee Zell­weger in a screw­ball phys­i­cal com­e­dy about ear­ly foot­ball and the de­vel­op­ment of the rules of the game at a time when there were no rules and the foot­ball hel­mets were made of leather. -​ UP­L­H3011