Coke and Pepsi. Ali and Frazier ... In the NFL, the last true coaching rivalry we saw like this was the one between Pete ...

Texas Pete is one of many iconic food brands to have originated in North Carolina, alongside Pepsi, Cheerwine and Krispy Kreme.

Now that Pete Carroll and Jim Harbaugh are in the same division again, get ready for more amazing battles between two coaches who have always made each other better. Coke and Pepsi. Ali and Frazier.