There are many events over the course of the years that have changed the league's history forever.

For example, consider back in the early days when Lamar Hunt was denied an NFL franchise. Therefore, he created the American Football League which later merged with the rival league.

If Hunt was granted the franchise he wanted in Dallas there never would've been an AFL which means possibly we never would've seen the creation of some of the league's best teams ever.

Or what if instant replay hadn't been implemented in 1999?  The Patriots never would have even been in Super Bowl XXXVI.  Who would be the dynasty of this decade?

There are so many examples of events that changed NFL history, including o...

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