Cosart (3-1) allowed seven hits, struck out five and walked one. The right-hander, who was acquired in acquired in a July 31 trade with Houston, is 3-0 with a sparkling 0.65 ERA in his last four starts.
Donovan Solano hit a solo homer in the first and finished with three hits for Miami, which is 8-7 against Atlanta this year. Giancarlo Stanton had two hits and drove in a run.
Atlanta had won three in a row. Aaron Harang (10-9) yielded four runs, three earned, and seven hits in 5 2-3 innings.
