Steve Birnbaum and Luciano Acosta each provided goals as the D.C. United topped the Portland Timbers in a match defined by sweltering heat.
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Portland Timbers star Diego Valeri has signed a contract extension, while the Philadelphia Union added to their collection of young defenders by adding a U.S. youth international.
Diego Valeri scored a stunning half volley as the Portland Timbers dominated Sporting KC in a match that saw both sides reduced to 10 men.
The New York Red Bulls have signed Austrian winger Daniel Royer, while Norberto Paparatto has joined FC Dallas.
Michael Bradley is nearing a return to action, while the Portland Timbers have signed a 23-year-old Nigerian international.
FC Dallas attacker Fabian Castillo could still move to Turkey as his agent looks to finalize terms of his deal to Trabzonspor and more.
Sporting KC earned a home win over the Portland Timbers on Sunday thanks to a Jacob Peterson header.