Why is the NFL football called The Duke?
Wilson NFL Autograph Football (retail boxed) - Temple's Sporting Goods
2006 Minnesota Vikings Game Issued Wilson The Duke NFL Football
Russell Wilson Autographed NFL Wilson Football LSM COA – Latitude Sports Marketing
Wilson NFL Mini Autograph Football - Mini, Brown/White : Sports & Outdoors
The Duke Team Decal NFL Football Wilson Sporting Goods
Wilson Sporting Goods breaks ground on new Ada factory
Wilson NFL The Duke Official Leather Game Football
Super Bowl I (One 1) Official Leather Authentic Game Football by Wilson
200 Nfl Wilson Duke Football Stock Photos, High-Res Pictures, and Images - Getty Images
Football Wilson Replica Composite Duke NFL Color Logo - Caseys Distributing
Wilson The Duke Official NFL Football - Frank's Sports Shop
The Duke Official NFL Football, Broken In Football
Wilson The Duke Official NFL Football
PHOTOS: Super Bowl footballs ready for Miami