The Reds have won five of six against their Ohio River rival at Great American Ball Park this season. They are 9-3 against Pittsburgh overall.
Cole (14-5) leads the majors in wins, but three of his five losses have come against the Reds, a team he has never beaten. Jay Bruce added a run-scoring double as Cole fell to 0-4 in six career starts against the Reds.
Suarez got his third RBI of the night with a sacrifice fly in the eighth inning off newcomer Joe Blanton for a 4-2 lead.