The Jays acquired Teahen from the White Sox as part of a salary dump, and they'll be assuming the $5.5MM left on his contract for 2012. The 30-year-old hit .200/.273/.300 in 177 plate appearances last year, playing the infield and outfield corners.
Teahen was a big component of the 2004 trade that sent Carlos Beltran to the Astros. He couldn't sustain a strong partial season in 2006 for the Royals, and was traded to the White Sox in November of '09. A few months later the Sox signed him to a surprising three-year, $14MM extension.