The 26-year-old forward scored in the 26th minute after being left unmarked to head the former England captain's delivery past goalkeeper Dan Kennedy for his third goal of the year. Beckham's sixth assist put him level with Houston Dynamo's Brad Davis for the division's lead.
The result sees the
Sounders, Union and Earthquakes edge victories
Jeff Parke scored his first MLS goal in seven years, heading home a Tyson Wahl corner in stoppage time to give Seattle Sounders an unexpected 1-0 win over Sporting Kansas City.
Carlos Ruiz scored the 85th goal in the competition when he netted a spectacular winner as the Philadelphia Union beat the
The Union took the lead when Michael Farfan scored the first goal of his MLS career, but the lead lasted just four minutes as Dominic Oduro levelled before Ruiz scored what turned out to be the winner with 14 minutes left. The Guatemalan striker fired in a fierce 30-yard shot which sailed over
Mehdi Ballouchy scored an injury-time equaliser as New York Red Bulls claimed a 2-2 draw against Houston Dynamo at the Robertson Stadium.
New York had taken a first-minute lead when Dane Richards smashed home, but Brad Davis converted a penalty to level in the 12th minute. An 82nd-minute goal by Koke looked to have won it for the hosts before Ballouchy headed home.
San Jose Earthquakes beat New England Revolution 2-1, Ellis McLoughlin putting the hosts ahead in the 77th minute and Bobby Convey doubling the lead. Chris Tierney pulled one back with four minutes remaining, but it proved a mere consolation.