Tennessee's battle at C

2013 is a pivotal season for Tennessee Titans QB Jake Locker, especially considering all the help that the team has provided him with their offseason moves: in free agency, they signed LG Andy Levitre, interior OL Rob Turner and RB Shonn Greene; in the draft, they added RG Chance Warmack in the first round, WR Justin Hunter in the second and C Brian Schwenke in the fourth. But an important question remains to be answered: who will be the man lining up at center directly in front of Locker this fall?