The assignments for Week 22 of the 2017 MLS season:

08/05/2017

D.C. United v Toronto FC

(7:00PM ET)

REF: ALLEN CHAPMAN

AR1: Eduardo Mariscal

AR2: Nick Uranga

4TH: Rubiel Vazquez

VAR: Ismail Elfath

Philadelphia Union v FC Dallas

(7:00PM ET)

REF: RICARDO SALAZAR

AR1: Jeffrey Greeson

AR2: Kyle Longville

4TH: Jorge Gonzalez

VAR: Hilario Grajeda

Montreal Impact v Orlando City

(7:30PM ET)

REF: KEVIN STOTT

AR1: Claudiu Badea

AR2: Craig Lowry

4TH: Geoff Gamble

VAR: Ted Unkel

Minnesota United v Seattle Sounders

(8:00PM ET)

REF: JOSE CARLOS RIVERO

AR1: Jose Da Silva

AR2: Adam Garner

4TH: Baboucarr Jallow

VAR: Victor Rivas

Chicago Fire v New England Revolution

(8:30PM ET)

REF: SILVIU PETRESCU

AR1: Oscar Mitchell-Carvalho

AR2: Andrew Bigelow

4TH: Juan Guzman Jr

VAR: Sorin Stoica

Colorado Rapids v Vancouver Whitecaps

(10:00PM ET)

REF: NIMA SAGHAFI

AR1: Matthew Nelson

AR2: Peter Balciunas

4TH: Armando Villarreal

VAR: Fotis Bazakos

Real Salt Lake v Houston Dynamo

(10:00PM ET)

REF: ROBERT SIBIGA

AR1: Kathryn Nesbitt

AR2: Ian Anderson

4TH: Alejandro Mariscal

VAR: Timothy Ford

San Jose Earthquakes v Columbus Crew

(10:30PM ET)

REF: ALAN KELLY

AR1: Michael Kampmeinert

AR2: Brian Dunn

4TH: Alex Chilowicz

VAR: Jon Freemon

08/06/2017

Portland Timbers v LA Galaxy

(4:00PM ET)

REF: DREW FISCHER

AR1: Frank Anderson

AR2: Mike Rottersman

4TH: Mark Kadlecik

VAR: Dave Gantar

New York City v New York Red Bulls

(6:00PM ET)

REF: BALDOMERO TOLEDO

AR1: Corey Parker

AR2: Peter Manikowski

4TH: Ismail Elfath

VAR: Allen Chapman

Sporting Kansas City v Atlanta United

(8:00PM ET)

REF: CHRIS PENSO

AR1: Cameron Blanchard

AR2: Corey Rockwell

4TH: Sorin Stoica

VAR: Juan Guzman Jr