The assignments for the 2017 MLS Conference Playoff Finals:

11/21/2017

Columbus Crew v Toronto FC

MAPFRE Stadium (8PM ET)

REF: ROBERT SIBIGA

AR1: Peter Manikowski

AR2: Ian Anderson

4TH: Jose Carlos Rivero

VAR: Dave Gantar

Houston Dynamo v Seattle Sounders

BBVA Compass Stadium (9:30PM ET)

REF: CHRIS PENSO

AR1: Jeff Muschik

AR2: CJ Morgante

4TH: Armando Villarreal

VAR: Kevin Stott

11/29/2017

Toronto FC v Columbus Crew

BMO Field (7:30PM ET)

REF: ISMAIL ELFATH

AR1: Frank Anderson

AR2: Corey Rockwell

4TH: Baldomero Toledo

VAR: Drew Fischer

11/30/2017

Seattle Sounders v Houston Dynamo

CenturyLink Field (10:30PM ET)

REF: HILARIO GRAJEDA

AR1: Peter Balciunas

AR2: Corey Parker

4TH: Alan Kelly

VAR: Edvin Jurisevic