The Professional Referee Organization has announced the referee assignments for Major League Soccer's conference semifinals, to be played Nov. 1-10:
SATURDAY, NOVEMBER 1
Eastern Conference Semifinals first leg
Columbus Crew vs. New England Revolution
Columbus Crew Stadium (4 pm ET)
REFEREE: DREW FISCHER
AR1: Joe Fletcher
AR2: Claudiu Badea
4TH: Fotis Bazakos
Western Conference Semifinals first leg
Real Salt Lake vs. LA Galaxy
Rio Tinto Stadium (8 pm ET)
REFEREE: SILVIU PETRESCU
AR1: Baboucarr Jallow
AR2: Mike Rottersman
4TH: Sorin Stoica
SUNDAY, NOVEMBER 2
Eastern Conference Semifinals first leg
New York Red Bulls vs. D.C United
Red Bull Arena (4 pm ET)
REFEREE: HILARIO GRAJEDA
AR1: Kermit Quisenberry
AR2: Bill Dittmar
4TH: Edvin Jurisevic
Western Conference Semifinals first leg
FC Dallas vs. Seattle Sounders
Toyota Stadium (9 pm ET)
REFEREE: ALLEN CHAPMAN
AR1: Corey Rockwell
AR2: Paul Scott
4TH: Ricardo Salazar
SATURDAY, NOVEMBER 8
Eastern Conference Semifinals second leg
D.C United vs. New York Red Bulls
RFK Stadium (2:30 pm ET)
REFEREE: ISMAIL ELFATH
AR1: George Gansner
AR2: Adam Wienckowski
4TH: Geoff Gamble
SUNDAY, NOVEMBER 9
Eastern Conference Semifinals second leg
New England Revolution vs. Columbus Crew
Gillette Stadium (5 pm ET)
REFEREE: ARMANDO VILLARREAL
AR1: Peter Manikowski
AR2: Corey Parker
4TH: Chris Penso
Western Conference Semifinals second leg
LA Galaxy vs. Real Salt Lake
StubHub Center (7:30 pm ET)
REFEREE: JAIR MARRUFO
AR1: Eric Boria
AR2: Adam Garner
4TH: Juan Guzman
MONDAY, NOVEMBER 10
Western Conference Semifinals second leg
Seattle Sounders vs. FC Dallas
CenturyLink Field (10:30 pm ET)
REFEREE: BALDOMERO TOLEDO
AR1: Ian Anderson
AR2: Fabio Tovar
4TH: Edvin Jurisevic
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