Jack McInerney scored his league-leading seventh goal of the season Saturday and Zac MacMath made six saves to lead the Philadelphia Union to a 1-0 victory over the Chicago Fire.
Brad Davis had a goal and an assist, and the Houston Dynamo set an MLS record for longest home unbeaten streak in all competitions with a 2-1 victory over the Chicago Fire on Sunday.
Maicon Santos scored twice and Daniel Paladini had a goal and two assists to lead the Chicago Fire to a 3-1 victory over the New York Red Bulls on Sunday.
Mike Magee scored three times as the Los Angeles Galaxy began the post-David Beckham era with a season-opening 4-0 victory over the Chicago Fire.
Sherjill MacDonald scored two second-half goals, lifting the Chicago Fire to a crucial 2-0 win over the New York Red Bulls on Saturday.
Steven Lenhart returned from a four-game injury absence to score in the eighth minute of second-half stoppage time and lift the San Jose Earthquakes into a 1-1 draw with the Chicago Fire on Saturday night.