[MLS 2013 OPENING DAY] MLS's opening day is still 11 days away, but the Professional Referee Organization has announced referee assignments for Week 1. Canadian Silviu Petrescu, who worked MLS Cup 2012, will be in the middle for the Seattle-Montreal game. For all the assignments ...

March 2
Vancouver Whitecaps vs. Toronto FC
REFEREE: JUAN GUZMAN
ASST 1: Mike Rottersman
ASST 2: Baboucarr Jallow
4TH: Armando Villarreal

Philadelphia Union vs. Sporting Kansas City
REFEREE: MARK GEIGER
ASST 1: Adam Wienckowski
ASST 2: Gregory Barkey
4TH: Ted Unkel

Seattle Sounders vs. Montreal Impact
REFEREE: SILVIU PETRESCU
ASST 1: Darren Clark
ASST 2: Kevin Duliba
4TH: Alejandro Mariscal

FC Dallas vs. Colorado Rapids
REFEREE: ALLEN CHAPMAN
ASST 1: Peter Manikowski
ASST 2: Jeremy Hanson
4TH: Ismail Elfath

Chivas USA vs. Columbus Crew
REFEREE: CHRIS PENSO
ASST 1: Mike Kampmeinert
ASST 2: Jeff Muschik
4TH: Daniel Radford

Houston Dynamo vs. D.C. United
REFEREE: BALDOMERO TOLEDO
ASST 1: Sean Hurd
ASST 2: Ian Anderson
4TH: Edvin Jurisevic

March 3:
Los Angeles Galaxy vs. Chicago Fire
REFEREE: KEVIN STOTT
ASST 1: Brian Poeschel
ASST 2: Anthony3 Vasoli
4TH: Daniel Radford

Portland Timbers vs. New York Red Bulls
REFEREE: JAIR MARRUFO
ASST 1: Frank Anderson
ASST 2: Adam Garner
4TH: Fotis Bazakos

San Jose Earthquakes vs. Real Salt Lake
REFEREE: HILARIO GRAJEDA
ASST 1: Kermit Quisenberry
ASST 2: Paul Scott
4TH: Ricardo Salazar