The latest refereeing assignments have been announced for the upcoming week of Major League Soccer action.

WEDNESDAY, SEPTEMBER 24

FC Dallas vs. Seattle Sounders
Toyota Stadium (9 pm ET)
REFEREE: MARK GEIGER
AR1: CJ Morgante
AR2: Adam Garner
4TH: Ismail Elfath

FRIDAY, SEPTEMBER 26

Sporting Kansas City vs. New England Revolution
Sporting Park (8 pm ET)
REFEREE: BALDOMERO TOLEDO
AR1: Mark Hurd
AR2: Jonathan Johnson
4TH: Edvin Jurisevic

SATURDAY, SEPTEMBER 27

Toronto FC vs. Portland Timbers
BMO Field (1 pm ET)
REFEREE: ISMAIL ELFATH
AR1: Corey Parker
AR2: James Conlee
4TH: Geoff Gamble

D.C. United vs. Philadelphia Union
RFK Stadium (3 pm ET)
REFEREE: SILVIU PETRESCU
AR1: Claudiu Badea
AR2: Adam Wienckowski
4TH: Marcos Deoliveira

Seattle Sounders vs. Chivas USA
CenturyLink Field (4 pm ET)
REFEREE: DREW FISCHER
AR1: Corey Rockwell
AR2: Jeremy Hanson
4TH: Baboucarr Jallow

Vancouver Whitecaps vs. Real Salt Lake
BC Place (7 pm ET)
REFEREE: ALLEN CHAPMAN
AR1: Fabio Tovar
AR2: Marco Arruda
4TH: Daniel Radford

Columbus Crew vs. Montreal Impact
Crew Stadium (7:30 pm ET)
REFEREE: SORIN STOICA
AR1: George Gansner
AR2: Jason White
4TH: Hilario Grajeda

Colorado Rapids vs. San Jose Earthquakes
Dick's Sporting Goods Park (9 pm ET)
REFEREE: JUAN GUZMAN
AR1: Paul Scott
AR2: Anthony Vasoli
4TH: Younes Marrakchi

SUNDAY SEPTEMBER 28

Houston Dynamo vs. Chicago Fire
BBVA Compass Stadium (3 pm ET)
REFEREE: JOSE CARLOS RIVERO
AR1: Eric Boria
AR2: Greg Barkey
4TH: Alejando Mariscal

LA Galaxy vs. New York Red Bulls
StubHub Center (8:30 pm ET)
REFEREE: ARMANDO VILLARREAL
AR1: Frank Anderson
AR2: Ian Anderson
4TH: Kevin Stott