Did Kamara prove he is a lead back?

SaintsThinker said
Is he a 300 plus rushing carry running back? No. But he definitly could be a Marshall Faulk 250 Rushes/80 Catches running back very easily. Actually Faulk is a great example because they are/were listed at the same height and weight.
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That´s an interesting thought. Although I guess the team would have to be much more pass oriented for it to work.