My friends, there are many great rivalries in the NFL. Eagles-Giants, Cowboys-Commies, Bears-Packers, Chiefs-Raiders and so many more. But the most bitter series of them all just might feature the Cleveland Browns and Baltimore Ravens. Unless you’re a babe in the football woods, you know the story here: the Ravens were once based in Cleveland and known as the Browns. But the franchise was moved to Charm City for the 1996 season after Browns owner