The 26-year-old Sanchez has spent his entire career with the Giants, totaling 637 plate appearances across parts of five seasons while serving as a backup to Buster Posey. Sanchez hit .267/.299/.370 from 2011-13 over a span of 401 PAs, but that production slipped to .192/.230/.301 in 236 PAs from 2014-15. The deteriorated offense, as well as the emergence of Andrew Susac, made Sanchez a non-tender candidate in San Francisco this winter, and the Giants did indeed elect to let him become a free agent.
Sanchez has caught 26 percent of the runners that have attempted to steal on him in his career and has drawn roughly average reviews from pitch-framing metrics over the course of his big league tenure. The White Sox project to use Alex Avila and Dioner Navarro as their primary catchers in 2016, but Sanchez will make a quality depth piece that could be stashed in Triple-A, where he’s a .255/.313/.367 hitter.