The White Sox traded reliever Neal Cotts to the Cubs for reliever David Aardsma and minor league pitcher Carlos Vasquez on Thursday.
Cotts, who had a career year in 2005, went 1-2 last season with a 5.17 ERA. He had a career-high 70 relief appearances, but gave up 12 homers.
Cotts went 4-0 with a 1.94 ERA and won Game 2 of the World Series in 2005.
Aardsma was 3-0 with a 4.08 ERA in 45 appearances for the Cubs last season.
White Sox Trade Cotts To Cubs For Aardsma