White Sox add defensive whiz Brenton Doyle, but why?

2 reports in the order each was filed. Tap any entry to open that report at its source.

1. 01Chicago Sun-TimesAug 3, 5:16 PMWhite Sox get outfielder Brenton Doyle from Rockies for two prospects, including pitcher Mason Adams
2. 02Yahoo SportsAug 3, 6:04 PMWhite Sox add defensive whiz Brenton Doyle, but why?