Los Angeles FC booked a spot in the MLS is Back Tournament quarter-finals, while the San Jose Earthquakes also advanced.
LAFC cruised past the Seattle Sounders 4-1 in their last-16 clash at Walt Disney World Resort in Florida on Monday.
Diego Rossi's penalty gave Los Angeles the lead before Latif Blessing made it 2-0 courtesy of a deflected strike.
With 15 minutes remaining, Will Bruin pulled a goal back for the Sounders to give them hope.
But Rossi scored his seventh goal of the tournament and Brian Rodriguez's smart finish sealed LAFC's win.
ANOTHA ONE
— Major League Soccer (@MLS) July 28, 2020
Diego Rossi scores his SEVENTH (!!!) goal of the tournament so far! #SEAvLAFC pic.twitter.com/H4z8wuCQHv
LAFC will face Orlando City in the last eight.
The Earthquakes, meanwhile, recorded a 5-2 victory over Real Salt Lake.
Cristian Espinoza opened the scoring with a fine finish for San Jose, before Douglas Martinez equalised to make it 1-1 at half-time.
Cristian Espinzoa! @SJEarthquakes strikes first! #SJvRSL pic.twitter.com/I6qeM49IsR
— Major League Soccer (@MLS) July 28, 2020
Magnus Eriksson's penalty restored the Earthquakes' lead shortly after the break, before Valeri Qazaishvili tapped in an Andres Rios pass.
RSL pulled a goal back through Damir Kreilach, only for a rash challenge from Marcelo Silva to see them reduced to 10 men.
Chris Wondolowski's goal and another Eriksson spot-kick sealed San Jose a clash against either Columbus Crew or Minnesota United.