Ballouchy hooked a shot with his left foot between Juan Manuel Pena’s legs from about 10 yards. The ball dribbled across the goal line on the near side before goalkeeper Bill Hamid could make a play for it.

Colorado (4-3-1), which snapped a two-game losing streak, hadn’t won at RFK Stadium in MLS play since July 10, 1999, going 0-7-4 since.

The loss piled on to a dismal season for United (1-7-0), off to the worst start in franchise history.

Union 1, FC Dallas 1 — Rookie Danny Mwanga scored an unassisted goal just as stoppage time was about to expire in the 94th minute to help host Philadelphia salvage a tie.

FC Dallas appeared on its way to a third straight 1-0 victory when Brek Shea scored his first career goal in the 13th minute, on assists from Atiba Harris and Jeff Cunningham.

Sounders 1, Red Bulls 0 — Colombian striker Fredy Montero scored in the 86th minute to give Seattle the victory over New York in Harrison, N.J., snapping a four-game winless streak.

Montero took a long pass from Brad Evans and beat goalkeeper Bouna Coundoul from close range for his third goal of the season. Benched in recent weeks, Montero came on as substitute in the 78th minute.

Toronto FC 0, Galaxy 0 — Stefan Frei made four saves in the final 17 minutes to help Toronto FC earned its first point in five road games, while Los Angeles (7-0-2) remained unbeaten.

Fire 2, Wizards 2 — Kei Kamara, coming off a whiff from point-blank range that cost Kansas City a victory in its last home game, scored two second-half goals to help host Kansas City pull even with Chicago.

Brian McBride and Julio Martinez scored for the Fire.

Crew 1, Chivas USA 0 — Guillermo Barros Schelotto scored on a penalty kick in the 90th minute to keep host Columbus (4-0-2) unbeaten.