The latest refereeing assignments have been announced for the upcoming week of Major League Soccer action.
SATURDAY, MAY 17
Toronto FC vs. New York Red Bulls
BMO Field (4:30 pm ET)
REFEREE: SILVIU PETRESCU
AR1: James Conlee
AR2: Scott Kachmarik
4TH: Geoff Gamble
Philadelphia Union vs. New England Revolution
PPL Park (7 pm ET)
REFEREE: TED UNKEL
AR1: Corey Parker
AR2: Craig Lowry
4TH: Hilario Grajeda
D.C. United vs. Montreal Impact
RFK Stadium (7 pm ET)
REFEREE: SORIN STOICA
AR1: Chris Strickland
AR2: Mark Cahen
4TH: Jorge Gonzalez
Houston Dynamo vs. LA Galaxy
BBVA Compass Stadium (8:30 pm ET)
REFEREE: EDVIC JURISEVIC
AR1: Frank Anderson
AR2: Oscar Mitchell-Carvalho
4TH: Chris Penso
FC Dallas vs. Chivas USA
Toyota Stadium (8:30 pm ET)
REFEREE: DREW FISCHER
AR1: Bill Dittmar
AR2: Gianni Facchini
4TH: Ismail Elfath
Real Salt Lake vs. Colorado Rapids
Rio Tinto Stadium (9:30 pm ET)
REFEREE: MARK GEIGER
AR1: Sean Hurd
AR2: Joe Fletcher
4TH: Daniel Radford
Seattle Sounders vs. San Jose Earthquakes
CenturyLink Field (10 pm ET)
REFEREE: JAIR MARRUFO
AR1: Claudio Badea
AR2: Matthew Nelson
4TH: Baboucarr Jallow
Portland Timbers vs. Columbus Crew
Providence Park (10:30 pm ET)
REFEREE: JOSE CARLOS RIVERO
AR1: Favio Tovar
AR2: Jeremy Hanson
4TH: Allen Chapman
SUNDAY, MAY 18
Chicago Fire vs. Sporting Kansas City
Toyota Park (3 pm ET)
REFEREE: DAVE GANTAR
AR1: Daniel Belleau
AR2: Anthony R Vasoli
4TH: Robert Sibiga
WEDNESDAY, MAY 21
D.C. United vs. Houston Dynamo
RFK Stadium (7 pm ET)
REFEREE: ALAN KELLY
AR1: Peter Manikowski
AR2: Matthew Kreitzer
4TH: Mark Geiger
LA Galaxy vs. FC Dallas
StubHub Center (10:30 pm ET)
REFEREE: ALLEN CHAPMAN
AR1: Ian Anderson
AR2: Fabio Tovar
4TH: Daniel Radford