... an NFL suspension for using a banned substance, the whispers have started again about Green Bay's Clay Matthews.

And let's be honest, it’s understandable. One look at Matthews’ physique, after reading all the “skinny kid” stories, is enough.  

But should we suspect Clay Matthews? Is he guilty by association? Of course not. There are, however, a lot of similarities in their stories and how they transformed themselves from scrawny kids to muscle-bound NFL warriors.

Brian Cushing was a multi-sport athlete in high school who decided to focus on football after his freshman year. He hit the weight room hard and came back a much bigger player his sophomore year.

The change was so dramatic...

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