There are many great rivalries in Division I college football, but only one can say it has been played the longest: Minnesota and Wisconsin. Since 1890, the Golden Gophers and Badgers have faced each other in the annual game known as the Border Battle. Early teams competed for the coveted "Slab of Bacon" trophy until 1948, when the winning team would take home Paul Bunyan's Axe, a tradition that continues to this day. Images of Sports: Minnesota-Wisconsin...