Many college stars and can't miss talents over the years have proven the concept that professional football is an entirely different entity in itself.
For every late-round gem like Tom Brady and Terrell Davis, you have a Ryan Leaf or Ki-Jana Carter.
It's just how the game works. Potential in football is so unpredictable.
As the 2014 college football season approaches (the first that will feature a four-team playoff rather than the Bowl Championship Series polling format), I recall some of the most electrifying and hard-hitting players to ever play in college, but didn't quite make a name for themselves in the pros....