Rodríguez scores 2 goals, Rooney gets 11th, United wins
D.C. United (9-5-8) has lost just once in the last eight games to move within one point of first-place Philadelphia in the Eastern Conference. Cincinnati (5-14-2) had its two-game winning streak snapped.
Rodríguez opened the scoring in the 42nd minute, curling a shot around goalkeeper Spencer Richey. FC Cincinnati is 0-12-1 when allowing the first goal.
Rodríguez gave United a 2-1 lead on a deflected shot from distance in the 59th. Rooney made it 3-1 in the 64th and Paul Arriola capped it in the 73rd — both on breakaways.