Poll question: Do collegiate left tackles make the best NFL guards?

Many believe Stanford's David DeCastro is worthy of a top 15, or even top 10 pick in the NFL draft.

Guards selected in the first round have a better success rate, and a lower bust rate than most other positions.

However, many of the best guards in the NFL were former offensive tackles in college.

Carl Nicks, Jahri Evans, Marshal Yanda, and Logan Mankins were all left tackles during their senior year in college.

Makes sense, you normally play your best offensive lineman at LT, and few college teams have one than one NFL caliber offensive lineman. (*notable exceptions include the 2010 USC team, the 2008 Virginia team, and the 2012 Stanford team)

Others, such as Ben Grubbs, Davin Joseph, and Steve Hutchinson played guard in college.

David DeCastro played guard his whole college career at Stanford, and did it very well. So well, that he may be a top 15 pick in the NFL draft.

Cordy Glenn, and Kelechi Osemele both played left tackle last year, and their game tape does not compare to DeCastro, but it that unfair?

While Stanford's Jonathan Martin protected Andrew Luck's blindside, DeCastro was able to play to his strengths.

Recent history has found guards like Joseph, Grubbs, soon to be followed by DeCastro in the first round.

Is it a better value to take an above average collegiate left tackle and move him to guard?

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