The assignments for Week 25 of the 2017 MLS season:

08/23/2017

Columbus Crew v LA Galaxy

MAPFRE Stadium (7:30PM ET)

REF: SORIN STOICA

AR1: Ian Anderson

AR2: Craig Lowry

4TH: Marcos DeOliveira

VAR: Hilario Grajeda

DC United v Atlanta United

RFK Stadium (7:30PM ET)

REF: TED UNKEL

AR1: Joe Fletcher

AR2: CJ Morgante

4TH: Rubiel Vazquez

VAR: Ismail Elfath

Toronto FC v Philadelphia Union

BMO Field (8:00PM ET)

REF: ARMANDO VILLARREAL

AR1: Peter Manikowski

AR2: Corey Parker

4TH: Geoff Gamble

VAR: Mark Geiger

FC Dallas v Houston Dynamo

Toyota Stadium (9:00PM ET)

REF: BALDOMERO TOLEDO

AR1: Frank Anderson

AR2: Adam Garner

4TH: Younes Marrakchi

VAR: Chris Penso

Real Salt Lake v San Jose Earthquakes

Rio Tinto Stadium (10:00PM ET)

REF: SILVIU PETRESCU

AR1: Claudiu Badea

AR2: Anthony Vasoli

4TH: Daniel Radford

VAR: Allen Chapman

Vancouver Whitecaps v Seattle Sounders

BC Place (10:00PM ET)

REF: RICARDO SALAZAR

AR1: Cameron Blanchard

AR2: Mike Rottersman

4TH: Alex Chilowicz

VAR: Jose Carlos Rivero

Portland Timbers v Colorado Rapids

Providence Park (10:30PM ET)

REF: DAVE GANTAR

AR1: Jeremy Hanson

AR2: Jonathan Johnson

4TH: Alejandro Mariscal

VAR: Drew Fischer

08/25/2017

New York Red Bulls v New York City FC

Red Bull Arena (7:00PM ET)

REF: JAIR MARRUFO

AR1: Brian Poeschel

AR2: Eduardo Mariscal

4TH: Caleb Mendez

VAR: Robert Sibiga

08/26/2017

DC United v New England Revolution

RFK Stadium (7:00PM ET)

REF: JOSE CARLOS RIVERO

AR1: Adam Wienckowski

AR2: Brian Dunn

4TH: Marcos DeOliveira

VAR: Silviu Petrescu

Philadelphia Union v Atlanta United

Talen Energy Stadium (7:00PM ET)

REF: DREW FISCHER

AR1: Phil Briere

AR2: Gianni Facchini

4TH: Sorin Stoica

VAR: Jair Marrufo

Columbus Crew v FC Dallas

MAPFRE Stadium (7:30PM ET)

REF: ALLEN CHAPMAN

AR1: Jeremy Hanson

AR2: Matthew Nelson

4TH: Ted Unkel

VAR: Kevin Terry Jr

Orlando City v Vancouver Whitecaps

Orlando City Stadium (7:30PM ET)

REF: HILARIO GRAJEDA

AR1: Peter Balciunas

AR2: Kevin Klinger

4TH: Nima Saghafi

VAR: Edvin Jurisevic

Chicago Fire v Minnesota United

Toyota Park (8:30PM ET)

REF: KEVIN STOTT

AR1: Jeffrey Greeson

AR2: Kyle Longville

4TH: Juan Guzman

VAR: Dave Gantar

Real Salt Lake v Colorado Rapids

Rio Tinto Stadium (10:00PM ET)

REF: JORGE GONZALEZ

AR1: Jose Da Silva

AR2: Nick Uranga

4TH: Younes Marrakchi

VAR: Victor Rivas

08/27/2017

Montreal Impact v Toronto FC

Stade Saputo (4:30PM ET)

REF: ROBERT SIBIGA

AR1: Eric Weisbrod

AR2: Jason White

4TH: Alejandro Mariscal

VAR: Canada CSA

LA Galaxy v San Jose Earthquakes

StubHub Center (7:00PM ET)

REF: CHRIS PENSO

AR1: Eric Boria

AR2: Corey Rockwell

4TH: Ricardo Salazar

VAR: Baldomero Toledo

Seattle Sounders FC v Portland Timbers

CenturyLink Field (9:30PM ET)

REF: MARK GEIGER

AR1: Frank Anderson

AR2: Logan Brown

4TH: Baboucarr Jallow

VAR: Victor Rivas