Kristofic training at center is a decent indicator that he may be the do-it-all guy.
That being said, I'm thinking that Carroll and Kristofic might both be more ready than Baker is currently. Older and more developed, bigger and very nasty (I went back and watched their high school tape and they are nasty, nasty run blockers). I think Baker has the larger upside to protecting Coan's blind side and that is being given a lot of importance as he is a pocket passer, but I wouldn't be surprised if both Carroll and Kristofic end up on the field as guards with Patterson and Lugg staying at the tackles.
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