Arizona's evolving O-line 

August, 3, 2013
8/03/13
9:40
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A massive overhaul along Arizona's offensive line was undertaken by new general manager Steve Keim this off season. The team invested a first round pick in guard Jonathan Cooper. It also recently signed free agent right tackle Eric Winston. These two pieces will have a major impact this season. Winston has already moved to the top of the team's depth chart.

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