Professional Referee Organization announces referee assignments for Conference Semifinals second legs

The Professional Referee Organization has announced the referee assignments for Sunday’s second legs of the Audi 2015 MLS Cup Playoffs Conference Semifinals:

SUNDAY, NOVEMBER 8:

Eastern Conference Semifinal second legs:

New York Red Bulls vs. D.C. United
Red Bull Arena (3 pm ET; ESPN, ESPN Deportes, WatchESPN)
REF: TED UNKEL
AR1: Jeff Muschik
AR 2: Brian Dunn
4TH: Hilario Grajeda

Columbus Crew SC vs. Montreal Impact
MAPFRE Stadium (5 pm ET; ESPN, ESPN Deportes, WatchESPN in the US; TSN1, RDS 1 in Canada)
REF: ARMANDO VILLARREAL
AR1: Corey Parker
AR 2: Craig Lowry
4TH: Jorge Gonzalez

Western Conference Semifinal second legs:

FC Dallas vs. Seattle Sounders
Toyota Stadium (7:30 pm ET; FS1, FOX Deportes in the US; TSN1 in Canada)
REF: BALDOMERO TOLEDO
AR1: Greg Barkey
AR 2: Mike Rottersman
4TH: Edvin Jurisevic

Vancouver Whitecaps vs. Portland Timbers
BC Place (10 pm ET; FS1, FOX Deportes in the US; TSN1, RDS 1 in Canada)
REF: ISMAIL ELFATH
AR1: Corey Rockwell
AR 2: Peter Manikowski
4TH: Ricardo Salazar