So You Need: Catchers

Catcher is one of the thinnest positions in the major leagues, which goes for the free-agent market as well as the collection of backstops already under team control. That doesn't mean that a club looking to add one is totally out of luck, as there are a few names worth looking at for either their bats or their gloves. Still, the teams that don't move fast may find themselves bereft of a capable presence behind the plate; supplies are limited.

Baseball Prospectus