The Professional Referee Organization has released its assignments for Week 19 of the 2016 MLS season:
WEDNESDAY, JULY 13
Columbus Crew vs. Toronto FC
MAPFRE Stadium (7 pm ET; TSN2 in Canada, MLS LIVE in US)
REF: ROBERT SIBIGA
AR1: Jeff Muschik
AR2: James Conlee
4TH: Fotis Bazakos
New York Red Bulls vs. Orlando City
Red Bull Arena (7:30 pm ET; MLS LIVE)
REF: SORIN STOICA
AR1: Kermit Quisenberry
AR2: Jose Da Silva
4TH: Mark Kadlecik
Chicago Fire vs. Sporting Kansas City
Toyota Park (8:30 pm ET; MLS LIVE)
REF: NIMA SAGHAFI
AR1: Kyle Atkins
AR2: Gianni Facchini
4TH: Alan Kelly
Seattle Sounders vs. FC Dallas
CenturyLink Field (10:30 pm ET; MLS LIVE)
REF: RICARDO SALAZAR
AR1: Peter Balciunas
AR2: Corey Rockwell
4TH: Dave Gantar
Portland Timbers vs. Montreal Impact
Providence Park (10:30 pm ET; MLS LIVE)
REF: ALLEN CHAPMAN
AR1: Jeremy Hanson
AR2: Mike Rottersman
4TH: Juan Guzman
Vancouver Whitecaps vs. Real Salt Lake
BC Place (10:30 pm ET; TSN in Canada, MLS LIVE in US)
REF: JOSE CARLOS RIVERO
AR1: Adam Wienckowski
AR2: Michael Kampmeinert
4TH: Baboucarr Jallow
FRIDAY, JULY 15
LA Galaxy vs. Houston Dynamo
StubHub Center (11 pm ET; UniMás in US, MLS LIVE in Canada)
REF: MARK GEIGER
AR1: Eric Boria
AR2: Logan Brown
4TH: Alex Chilowicz
SATURDAY, JULY 16
Columbus Crew vs. D.C. United
MAPFRE Stadium (7:30 pm ET; MLS LIVE)
REF: SILVIU PETRESCU
AR1: Oscar Mitchell-Carvalho
AR2: Jeffrey Greeson
4TH: Daniel Radford
FC Dallas vs. Chicago Fire
Toyota Stadium (9 pm ET; MLS LIVE)
REF: BALDOMERO TOLEDO
AR1: Kevin Klinger
AR2: Chris Strickland
4TH: Edvin Jurisevic
Colorado Rapids vs. Sporting Kansas City
Dick's Sporting Goods Park (9 pm ET; MLS LIVE)
REF: DREW FISCHER
AR1: Daniel Belleau
AR2: Jonathan Johnson
4TH: Marcos DeOliveira
Real Salt Lake vs. New England Revolution
Rio Tinto Stadium (10 pm ET; MLS LIVE)
REF: ISMAIL ELFATH
AR1: Craig Lowry
AR2: Apolinar Mariscal
4TH: Jaime Herrera
Vancouver Whitecaps vs. Orlando City
BC Place (10 pm ET; TSN1 in Canada, MLS LIVE in US)
REF: HILARIO GRAJEDA
AR1: Eduardo Mariscal
AR2: Cameron Blanchard
4TH: Dave Gantar
San Jose Earthquakes vs. Toronto FC
Avaya Stadium (10:30 pm ET; SN360 in Canada, MLS LIVE in US)
REF: ALEJANDRO MARISCAL
AR1: Ian Anderson
AR2: Adam Garner
4TH: Allen Chapman
SUNDAY, JULY 17
Portland Timbers vs. Seattle Sounders
Providence Park (3 pm ET; FOX in US, MLS LIVE in Canada)
REF: JAIR MARRUFO
AR1: Frank Anderson
AR2: Jeff Hosking
4TH: Mark Geiger
Montreal Impact vs. New York City
Saputo Stadium (5pm ET; ESPN in US, TSN2 in Canada)
REF: ARMANDO VILLARREAL
AR1: Joe Fletcher
AR2: Matthew Nelson
4TH: Mathieu Bourdeau
Philadelphia Union vs. New York Red Bulls
Talen Energy Stadium (7 pm ET; FS1 in US, MLS LIVE in Canada)
REF: ALAN KELLY
AR1: Brian Dunn
AR2: Eric Weisbrod
4TH: Robert Sibiga