Anthony Castonzo’s remarkable growth in both size and pass-blocking acumen in his years at Boston College excites NFL scouts and convinced the Indianapolis Colts front office to pick him at No. 23. The Walter Camp second-team All-American hit the college ranks as a tight end prospect but rapidly added bulk and moved inside to become a quick, athletic left tackle.
Perhaps the most durable of the top offensive line draftees, Castonzo started 54 games without missing a start during a three-year span. Castonzo moves his 6'7", 311 lb. frame effectively against speed-rushers and pass-blitzes, though he could add some upper body strength and improve his push in the running game.
James Christensen of PatriotsInsider.com lauds Castonzo’s drive to grow as a player and athlete throughout his time in Chestnut Hill, Mass. "Castonzo is a very experienced player, starting 40-plus games in college. He is a hard-worker that has improved every year for BC, both on and off the field. He will need to add some bulk, strength and fine-tune some of his techniques, specifically his balance against combo moves. If he can, Castonzo will be a solid starter in the NFL for a decade."
The biochemistry major projects as a lineman who can excel at comprehending defensive alignments, blocking handoffs and audibles at the next level — a perfect fit for Peyton Manning's blindside. With Castonzo projected low-to-mid-teens in many expert mocks, the Colts come away with both need and good positional value.
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