... may think you know, but you don't know and you never will know," once said former New Orleans Saints Head Coach Jim Mora.

They both toil in relative obscurity.

Little glory; Little adulation; Little notoriety. No one pays much attention really. A thankless task until something goes terribly wrong and then all hell breaks loose.

Of course, I speak of security guards and NFL offensive guards.

One chases shoeshine sharks with a scooter. An artisan of mall security if you will. The other protects rock star NFL quarterbacks from bodily injury. A mistake by either man can be disastrous.

So you think you know football?

Maybe you write your own blog. Maybe you're a local beat r...

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