Paul Arriola opened the scoring for United in the 10th by forcing a turnover near midfield and running past the defense to Edison Flores’ through ball for a calm finish.
Ramón Ábila capped the scoring for United in the 96th.
SOUNDERS 1, FC DALLAS 0
FRISCO, Texas (AP) — Raúl Ruidíaz scored his MLS-leading 14th goal of the season and Seattle beat FC Dallas.
Seattle (11-3-6) is unbeaten in its last three games — following a stretch of four losses in five games — and moved a point ahead of Sporting Kansas City atop the Western Conference standings with 39 points .
Ruidíaz had a shot blocked by defender Nkosi Tafari but the rebound went directly back to Ruidíaz, who chipped a shot off the crossbar, then the post and into the net in the 63rd minute.
FORT LAUDERDALE, Fla. (AP) — Rodolfo Pizarro in second-half stoppage time to give Inter Miami a 3-2 victory over the Chicago Fire on Wednesday night.
Pizarro one-touched Victor Ulloa’s pass inside the far post in the 93rd for his first goal of the season.
Miami (5-9-4) won its third straight home game, while Chicago (5-10-5) had its road winless streak extended to 18 matches — with 12 losses.
Robbie Robinson tied it at 2 for Miami in the 62nd with a chip shot over goalkeeper Bobby Shuttleworth. Indiana Vassilev also scored for Miami. Francisco Calvo and Luka Stojanovic scored for Chicago.
RED BULLS 1, CREW 0
HARRISON, N.J. (AP) — John Tolkin scored in the 33rd minute for his first MLS goal and New York beat Columbus.
New York (6-9-4) snapped a seven-game winless streak. Columbus (6-8-6) has lost five straight matches — the longest losing streak by a defending champion since the LA Galaxy dropped seven in a row in 2006.
New York goalkeeper Carlos Coronel had his seventh shutout of the season.
ATLANTA UNITED 1, TORONTO FC 0
ATLANTA (AP) — Ezequiel Barco scored in the 20th minute and Atlanta beat Toronto.
Atlanta (5-6-9) has won three in a row following a 12-game winless streak and is unbeaten in its last four. Toronto (3-11-6) has an MLS-low 15 points.
WHITECAPS 2, AUSTIN FC 1
AUSTIN, Texas (AP) — Brian White had a sliding finish in the 74th minute to help Vancouver beat Austin FC.
Vancouver (4-7-8) entered having drawn five straight matches — one shy of tying a MLS record. Austin (4-11-4) avoided a shutout for just the fourth time in its last 15 matches.
Jakob Nerwinski tied it at 1 for Vancouver in the 52nd minute.
Alexander Ring opened the scoring for Austin in the 37th.
MONTREAL 0, FC CINCINNATI 0, TIE
CINCINNATI (AP) — Sebastian Breza made three saves for his first MLS shutout and Montreal finished a man down in the draw with FC Cincinnati.
Rudy Comacho was shown a yellow card in the 68th minute and then another in the 74th and Montreal (7-7-6) played with 10 men the rest of the way.
Cincinnati (3-7-8) has just one win in its last eight games.
REAL SALT LAKE 2, DYNAMO 1
SANDY, Utah (AP) — Anderson Julio rolled a shot inside the post in the 88th minute to lift Real Salt Lake past Houston.
Justin Meram also scored for Real Salt Lake (7-6-6). It has won back-to-back games and has just one loss in its last eight.
Fafà Picault scored for Houston (3-8-9). The Dynamo have lost four games in a row and are winless in 13.
ORLANDO CITY 1, NASHVILLE 1, TIE
NASHVILLE, Tenn. (AP) — C.J. Sapong scored his fourth goal in the last three games and Nashville tied Orlando City
Nashville (7-2-11) moved a point ahead of New York City FC for second in the Eastern Conference standings with 32.
Antônio Carlos tied it for Orlando City (8-4-7) in the 58th minute.