CHICAGO — Brian McCann hit a three-run homer in the sixth inning to break open a tie game and the Atlanta Braves started the second half of the season with a 6-4 victory over the Chicago White Sox on Friday night. Braves starter Tim Hudson (7-7) earned his third straight win after a 10-start winless streak. He pitched 7 1-3 innings, giving up four runs on eight hits while striking out four and walking two.