With Week 3 officially in the books, the Professional Referees Organization wasted no time in releasing the assignments for this weekend's eight MLS matches.
Here are the referee assignments for Week 4:
SATURDAY
D.C. United vs. Columbus Crew
    RFK Stadium (3:30 pm ET)
    REFEREE: ALLEN CHAPMAN
    ASST 1: Peter Manikowski
    ASST 2: Craig Lowry
    4TH: Daniel Fitzgerald
New England Revolution vs. Sporting Kansas City
    Gillette Stadium (4 pm ET)
    REFEREE: EDVIN JURISEVIC
    ASST 1: Claudio Badea
    ASST 2: Jason Cullum
    4TH: Mark Geiger
Montreal Impact vs. New York Red Bulls
    Olympic Stadium (4:30 pm ET)
    REFEREE: CHRIS PENSO
    ASST 1: Joe Fletcher
    ASST 2: Matthew Kreitzer
    4TH: Silviu Petrescu
Houston Dynamo vs. Vancouver Whitecaps
    BBVA Compass Stadium (8:30 pm ET)
    REFEREE: MATTHEW FOERSTER
    ASST 1: Paul Scott
    ASST 2: Corey Parker
    4TH: Hilario Grajeda
San Jose Earthquakes vs. Seattle Sounders FC
    Buck Shaw Stadium (10:30 pm ET)
    REFEREE: BALDOMERO TOLEDO
    ASST 1: Frank Anderson
    ASST 2: Adam Garner
    4TH: Daniel Radford
FC Dallas vs. Real Salt Lake
    FC Dallas Sports Park (8:30 pm ET)
    REFEREE: JUAN GUZMAN
    ASST 1: Ian Anderson
    ASST 2: Matthew Nelson
    4TH: Ted Unkel
LA Galaxy vs. Colorado Rapids
    Home Depot Center (10:30 pm ET)
    REFEREE: ARMANDO VILLARREAL
    ASST 1: Corey E Rockwell
    ASST 2: Jeremy Hanson
    4TH: Kevin Stott
SUNDAY
Chicago Fire vs. Chivas USA
    Toyota Park (5 pm ET)
    REFEREE: SORIN STOICA
    ASST 1: Anthony R Vasoli
    ASST 2: James Conlee
    4TH: Jorge Gonzalez

 
              


