Earlier in August, the Cubs admitted to running out of patience with Edwin Jackson, who carries a record of 6-14 and a team-worst 6.09 ERA this season.
The Cubs hung on to the 30-year-old right-hander at the trade deadline in July, but USA Today's Bob Nightengale reports they had a suitor.
The Cubs and Braves reportedly discussed a deal at the non-waiver trade deadline that would have sent Jackson to Atlanta, and outfielder B.J. Upton to Chicago.
Jackson, who's currently on the disabled list, hasn't lived up to his $52 million contract and the Braves could say the same about Upton, who's in the second year of his five-year, $72.5 million contract.
While Nightengale reports the two sides weren't close to an agreement, the trade talks "likely will be broached once again this summer."