DeCastro for Boone?

[radtech]

Would you trade David DeCastro for the 49ers Alex Boone? Boone is the starting right guard for the Niners but can also play left tackle. He first came into the league as an undrafted free agent and became the primary swing tackle to the starting right guard in less than 3 years. Could Boone be the answer to the Steelers left tackle spot?