OK we've had a chance to see some Spring Training at bats from both catchers, it's time to try for a serious conversation of which one of our options we actually want the team to go with.
We can talk about other catching options but really, it cones down to Bard and Kot. Trying to pass a catcher who hit 22 home runs in AAA last year through waivers is basically kissing him goodbye, and Bard's contract is IIRC not guaranteed. Meaning that if we pick anyone but Kot, we lose Kot, and if we pick anyone but Bard, we lose Bard.
We could pick a third option, and Brown's tearing it up, but if we break camp with him we will have to eaive or trade both Bard and Kottaras. And again, given how hard it is to find a catcher who can hit I have a hard time believing either would pass through waivers. Given Varitek's age and Theo's usual approach to the roster, even if we have to throw away two catchers with possible big league utility we won't be getting rid of two. So realistically speaking, it's between Kottaras and Bard.
So with that said, my preference is Kottaras. Bard is having a nice Spring, but he doesn't have Kottaras upside with the bat and he has had a very inconsistent career. Also Bard would be a switch hitter playing behind a switch hitter, meaning going with Bard means we lose a chance to end one of the great evils of mankind (you know, pestilence, war, famine, death, and Varitek batting lefthanded). With Kottaras behind Varitek, that'll eat up a lot of lefthanded at bats, especially if he hits. And it'll do it in a way that Tito can explain to Varitek without wounding his pride. With Bard you could do that, but you don't have that built-in excuse. In other words having Kottaras behind Varitek might make Varitek's numbers better. That's at least a tiebreaker if all else was equal. Personally I think it should be a major factor consideration. Goodness knows Varitek's gonna need help.