The assignments for Matchday 18 of the 2025 Major League Soccer season:
06/07/2025
D.C. United vs Chicago Fire
Audi Field (7:30PM ET)
Ref: Lorenzo Hernandez
AR1: Matthew Nelson
AR2: Kevin Klinger
4th: Sergii Boiko
VAR: Greg Dopka
AVAR: John Krill
Colorado Rapids vs Austin FC
Dick’s Sporting Goods Park (9:30PM ET)
Ref: Allen Chapman
AR1: Corey Parker
AR2: Kyle Atkins
4th: Sergii Demianchuk
VAR: Michael Radchuk
AVAR: Craig Lowry
06/08/2025
Portland Timbers vs St Louis CITY
Providence Park (7PM ET)
Ref: Malik Badawi
AR1: Jeremy Hanson
AR2: Eduardo Jeff
4th: Alexis Da Silva
VAR: Greg Dopka
AVAR: John Krill
Los Angeles FC vs Sporting Kansas City
BMO Stadium (9PM ET)
Ref: Ricardo Montero Araya
AR1: Eric Weisbrod
AR2: Kevin Lock
4th: Gerald Flores
VAR: Michael Radchuk
AVAR: Joshua Patlak
Vancouver Whitecaps vs Seattle Sounders
BC Place (9PM ET)
Ref: Ricardo Fierro
AR1: Andrew Bigelow
AR2: Walt Heatherly
4th: Mo Mohseni
VAR: Jose Carlos Rivero
AVAR: Craig Lowry