Denkey poked in a first-touch shot, off a rolling centering pass played by Luca Orellano, from point-blank range to give Cincinnati (10-5-3) a 1-0 lead.
Denkey has 11 goals this season, tied with Nashville's Sam Surridge for second most in MLS, behind Philadelphia's Tai Baribo. The 24-year-old in his first MLS season has scored a goal in three consecutive games and five of the last six.
Aljaz Ivacic had two saves for the Revolution.
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AP soccer: https://apnews.com/soccer