The latest refereeing assignments have been announced for the upcoming week of Major League Soccer action.
SATURDAY, MAY 10
Montreal Impact vs. Sporting Kansas City
    Stade Saputo (4 pm ET)
    REFEREE: JAIR MARRUFO
    AR1: Phil Briere
    AR2: Richard Gamache
    4TH: Silviu Petrescu
Philadelphia Union vs. D.C. United
    PPL Park (4 pm ET)
    REFEREE: GEOFF GAMBLE
    AR1: Gregory Barkey
    AR2: Brian Dunn
    4TH: Robert Sibiga
New York Red Bulls vs. Chicago Fire
    Red Bull Arena (7 pm ET)
    REFEREE: KEVIN STOTT
    AR1: Brian Poeschel
    AR2: Felisha Mariscal
    4TH: Mark Geiger
Columbus Crew vs. Vancouver Whitecaps
    Columbus Crew Stadium (7:30 pm ET)
    REFEREE: HILARIO GRAJEDA 
    AR1: CJ Morgante
    AR2: Jason White
    4TH: Younes Marrakchi
San Jose Earthquakes vs. FC Dallas 
    Buck Shaw Stadium (10:30 pm ET)
    REFEREE: CHRIS PENSO
    AR1: Frank Anderson
    AR2: Jeff Hosking
    4TH: Daniel Radford
SUNDAY, MAY 11
Portland Timbers vs LA Galaxy
    Providence Park (2:30 pm ET)
    REFEREE: ARMANDO VILLARREAL
    AR1: Corey Rockwell
    AR2: Baboucarr Jallow
    4TH: Drew Fischer
Colorado Rapids vs. Chivas USA
    Dick's Sporting Goods Park (3 pm ET)
    REFEREE: FOTIS BAZAKOS
    AR1: George Gansner
    AR2: Eric Boria
    4TH: Juan Guzman
New England Revolution vs. Seattle Sounders
    Gillette Stadium (6 pm ET)
    REFEREE: JOSE CARLOS RIVERO
    AR1: Peter Manikowski
    AR2: Oscar Mitchell-Carvalho
    4TH: Mark Kadlecik
Houston Dynamo vs. Real Salt Lake
    BBVA Compass Stadium (7 pm ET)
    REFEREE: ALLEN CHAPMAN
    AR1: Adam Garner
    AR2: Claudio Badea
    4TH: Ismail Elfath
WEDNESDAY, MAY 14
Sporting Kansas City vs. Philadelphia Union
    Sporting Park (8:30 pm ET)
    REFEREE: RICARDO SALAZAR    
    AR1: George Gansner
    AR2: Ian Anderson
    4TH: Baldomero Toledo

 
              


