The Braves have been connected to several pitchers this summer, but ESPN's Jayson Stark hears from other teams that Atlanta is only interested in acquiring top-of-the-rotation pitchers at the deadline (Twitter link).
As Stark notes, that contradicts reports that link the Braves to names like Francisco Liriano and Jason Vargas. Atlanta has been linked to Zack Greinke, but GM Frank Wren will reportedly only part with his prized young pitching prospects if he's able to extend Greinke. Wren is unlikely to exceed $20MM annually in an offer for Greinke. The Brewers themselves are said to be gearing up for an offer in th five-year, $100MM range to retain their ace.
The Braves have seen young arms like Mike Minor and Randall Delgado struggle this season and turned to Ben Sheets in the short-term. Sheets had a brilliant Atlanta debut, but it's unlikely that he'd be counted on for significant contributions. After losing Brandon Beachy to Tommy John surgery earlier this summer, it stands to reason that they'd seek a front-line arm to replace his fantastic 2012 numbers.