They think they'd get him for Mark Teahen, which we know wouldn't happen. I'd be happy to swap Kot and Kris Johnson reliever for Meche, though. That might be a win-win-win with us getting a solid middle of the rotation innings burner, the Royals getting a big contract off the books for a decent haul of young near-ready talent, and Meche getting to play for a contender.
Frankly, Salty hasn't hit anywhere near his ceiling in the majors yet and I wouldn't be too quick to dismiss the notion of Kottaras as a starting catcher, since he has hit for quite a bit of power. It might happen, it might not, but there's certainly no reason at all that it can't happen.
I've believed for awhile that the Sox would be silly to go out of system for parts they already have in their own minor leagues.
I don't think all told that we really need to trade for a young catcher based on what we have available to us right now. Between Kot, Brown, and re-upping Tek, we can fill our holes without losing the high-ceiling pitching a trade would require And besides, if you don't like Kot and Brown, you could always wait for Exposito.
I expect that they're doing little more than sounding out the Rangers on a price for Salty to figure out whether they can take an inexpensive gamble on him. My guess is the answer will be no and "Salty" will go to a team that's more desperate for him than we are.