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Insider

Breaking down the 2012 OL class

4/24/2012 - NFL

Offensive cheat sheets:Insider QB | RB | WR | TE | OL

When evaluating offensive linemen, it is important to consider all aspects of their games -- pass protection, run-blocking, awareness and toughness.

Here's how we rank all draftable offensive linemen heading into the 2012 NFL combine by skill set (non-seniors noted with an asterisk). We also break down four-year measurement and timing trends, market trends at the position and 2011 Day 1 picks from the offensive line.

Pass protection

An offensive lineman needs good instincts to anticipate double-moves, twists, stunts and blitzes and needs quick feet to get set in time. He has balance and body control to mirror and slide. He has lateral movement to shuffle back inside; long arms to keep separation and force pass-rushers wide; and a powerful punch to jar defenders and ruin their momentum.

Top three tackles
1. Matt Kalil, USC
2. Riley Reiff, Iowa
T3. Jonathan Martin, Stanford
T3. Mike Adams, Ohio State

Top three guards