Brady, Manning and the rivalry

Originally Published: January 7, 2011
By Bill Simmons | ESPN.com

Webster's defines a rivalry as "competition for the same objective or for superiority in the same field." That means Tom Brady and Peyton Manning have a rivalry. A phenomenal one, actually. And yet, it doesn't feel like one.

For instance, the greatest all-around rivalry of my lifetime was the one between rappers Biggie Smalls and Tupac Shakur. They nailed every staple on a rivalry checklist, including:

-- Two former friends turned mortal enemies. (CHECK) -- ...

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