A complete list of the season officials were first involved with the MLS Playoffs, by role, since U.S. Soccer and MLS created PRO in 2012.
Please note some officials will have been involved with MLS Playoff games prior to this point – this record is just since the start of PRO.
2012
REF: Baldomero Toledo
REF: Silviu Petrescu
REF: Mark Geiger
REF: Silviu Petrescu
AR: Frank Anderson
AR: Ian Anderson
AR: Daniel Belleau
AR: Darren Clark
AR: Kermit Quisenberry
AR: Corey Parker
AR: Adam Wienckowski
AR: Greg Barkey
AR: Daniel Belleau
4TH: Juan Guzman
4TH: Ricardo Salazar
4TH: Matt Foerster
4TH: Ismail Elfath
4TH: Hilario Grajeda
2013
REF: Ismail Elfath
REF: Ricardo Salazar
REF: Kevin Stott
REF: Hilario Grajeda
REF: Armando Villarreal
AR: Peter Manikowski
AR: CJ Morgante
AR: Brian Dunn
AR: Craig Lowry
AR: Mike Rottersman
AR: George Gansner
AR: Corey Rockwell
AR: Fabio Tovar
AR: Sean Hurd
AR: Joe Fletcher
AR: Paul Scott
AR: Bill Dittmar
4TH: Jorge Gonzalez
4TH: Drew Fischer
4TH: Armando Villareal
4TH: Allen Chapman
4TH: Geoff Gamble
4TH: Sorin Stoica
4TH: Dave Gantar
4TH: Chris Penso
4TH: Baldomero Toledo
4TH: Edvin Jurisevic
4TH: Jair Marrufo
RAR: Baboucarr Jallow
2014
REF: Drew Fischer
REF: Allen Chapman
REF: Jair Marrufo
AR: Matthew Nelson
AR: Claudiu Badea
AR: Baboucarr Jallow
AR: Eric Boria
AR: Adam Garner
AR: Jonathan Johnson
4TH: Silviu Petrescu
4TH: Fotis Bazakos
RAR: Chris Strickland
2015
REF: Fotis Bazakos
REF: Chris Penso
REF: Ted Unkel
AR: Jeremy Hanson
AR: Kevin Klinger
AR: Jeff Muschik
AR: James Conlee
AR: Brian Poeschel
AR: Phil Briere
4TH: Jose Carlos Rivero
4TH: Ricardo Salazar
4TH: Mark Geiger
RAR: James Conlee
2016
REF: Alan Kelly
REF: Robert Sibiga
AR: Jeffrey Hosking
AR: Chris Strickland
AR: Danny Thornberry
AR: Jason White
AR: Eduardo Mariscal
4TH: Kevin Stott
4TH: Ted Unkel
RAR: Danny Thornberry
2017
REF: Jose Carlos Rivero
AR: Andrew Bigelow
AR: Kathryn Nesbitt
AR: Apolinar Mariscal
AR: Peter Balciunas
RAR: Jason White
VAR: Edvin Jurisevic
VAR: Dave Gantar
VAR: Fotis Bazakos
VAR: Juan Guzman Jr
VAR: Mark Geiger
VAR: Allen Chapman
VAR: Chris Penso
VAR: Hilario Grajeda
VAR: Drew Fischer
VAR: Ted Unkel
VAR: Kevin Stott
2018
REF: Nima Saghafi
AR: Cameron Blanchard
AR: Logan Brown
AR: Jose Da Silva
AR: Gianni Facchini
AR: Felisha Mariscal
AR: Oscar Mitchell-Carvalho
AR: Eric Weisbrod
4TH: Alan Kelly
4TH: Nima Saghafi
4TH: Robert Sibiga
4TH: Armando Villarreal
RAR: Kathryn Nesbitt
VAR: Alex Chilowicz
AVAR: Cameron Blanchard
AVAR: Logan Brown
AVAR: Brian Dunn
AVAR: Adam Garner
AVAR: Jeremy Hanson
AVAR: Jonathan Johnson
AVAR: Michael Kampmeinert
AVAR: Kevin Klinger
AVAR: Kyle Longville
AVAR: Jeff Muschik
AVAR: Matthew Nelson
AVAR: Mike Rottersman
AVAR: Thomas Supple
AVAR: Adam Wienckowski
2019
AR: Kyle Atkins
AR: Jeremy Kieso
AR: Nick Uranga
4TH: Joe Dickerson
4TH: Tim Ford
4TH: Ramy Touchan
4TH: Rubiel Vazquez
RAR: Brian Poeschel
VAR: Robert Sibiga
VAR: Geoff Gamble
VAR: Alan Kelly
VAR: Jon Freemon
AVAR: Joshua Patlak
AVAR: Craig Lowry
AVAR: Robert Schaap
AVAR: Peter Balciunas
AVAR: Jozef Batko
AVAR: Peter Manikowski
AVAR: Eric Weisbrod
2020
REF: Alex Chilowicz
REF: Joe Dickerson
AR: Cory Richardson
AR: Ian McKay
4TH: Marcos DeOliveira
4TH: Victor Rivas
4TH: Alex Chilowicz
RAR: Cory Richardson
VAR: Guido Gonzales Jr
VAR: Daniel Radford
VAR: Tim Ford
VAR: Jorge Gonzalez
AVAR: Gjovalin Bori
AVAR: Fabio Tovar
AVAR: Claudiu Badea
AVAR: Jose Da Silva
AVAR: Cory Richardson
2021
AR: Chris Elliott
4TH: Rosendo Mendoza
4TH: Guido Gonzales Jr
VAR: Carol Anne Chenard
AVAR: Andrew Bigelow
AVAR: Kyle Atkins
AVAR: Jeremy Kieso
AVAR: Chris Elliott
RAR: Jeremy Hanson
2022
REF: Victor Rivas
REF: Rubiel Vazquez
REF: Tim Ford
AR: Jeffrey Greeson
AR: Chantal Boudreau
AR: Ryan Graves
4TH: Pierre-Luc Lauziere
4TH: Ismir Pekmic
4TH: Lukasz Szpala
4TH: Jon Freemon
VAR: Jose Carlos Rivero
AVAR: TJ Zablocki
2023
REF: Pierre-Luc Lauziere
REF: Jon Freemon
REF: Guido Gonzales Jr
REF: Lukasz Szpala
REF: Rosendo Mendoza
AR: Walt Heatherly
AR: Diego Blas
AR: Jeffrey Swartzel
AR: Brooke Mayo
AR: Micheal Barwegen
AR: Lyes Arfa
AR: Chris Wattam
AR: Stefan Tanaka-Freundt
4TH: Mark Allatin
4TH: Tori Penso
4TH: Sergii Boiko
4TH: Filip Dujic
VAR: Younes Marrakchi
VAR: Armando Villarreal
VAR: Michael Radchuk
VAR: Jair Marrufo
AVAR: Tyler Wyrostek