Biography: Two-year starting tackle who moved in with the first team as a junior in 2007 before missing the following season with a right hip injury.
Positives: Large, immobile offensive lineman best in a small area. Stays square, makes terrific use of body positioning as well as blocking angles to seal defenders in the action. Keeps his feet moving, works well with teammates and effectively extends his hands to keep defenders away. Better-than-average strength at the point of attack.
Negatives: Not a natural knee bender and over extends into blocks which adversely affects his balance. Marginal skills sliding out to protect the edge and lacks ability blocking in motion. Catches the opponents rather than trying to drive them off the line of scrimmage.
Analysis: Duncan is a size prospect but limited athlete who must develop a nasty streak. He'll be brought into camp this summer yet must step up all facets of his game to make a practice squad.
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