Seeing is believing
Introducing the ROBIN metric for grading the guys in the trenches
Updated: August 26, 2009, 7:24 AM ETBy KC Joyner | Special to ESPN The Magazine
Getty ImagesNick Mangold, a Pro Bowler last season, grades out as one of the best offensive linemen in the NFL via KC Joyner's ROBIN metric.
This article appears as a sidebar within the Peyton Manning/Jeff Saturday relationship feature in the September 7 issue of ESPN The Magazine.
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