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Major League Soccer

USA

club
6,628
Matches
419
Officials
16
Seasons
2026
Latest Season
All seasons2026202520242023202220212020201920182017201620152014201320122011
First tracked match
Seattle Sounders vs LA Galaxy
15/03/2011
Latest tracked match
Minnesota Utd vs SJ Earthquakes
07/11/2026

Officiating insights

Strictest refs →

From recorded scores and the community incident layer. (Official card/foul stats aren’t in the dataset yet.)

2.91
goals / match
0
incidents logged
0
VAR-reviewed

Role distribution · 2015

Referee353AR7054th Official353

Home stadiums

Every stadium that has hosted Major League Soccer matches. Switch between all-time and the latest season.

Most-appointed referee · 2015
🇲🇽 Baldomero Toledo
25
as referee

Who referees Major League Soccer?

Most-appointed match officials across all Major League Soccer seasons

  1. 1
    🇺🇸 Allen Chapman
    USA · Referee · 498×
  2. 2
    🇺🇸 Kevin Stott
    USA · Referee · 480×
  3. 3
    🇺🇸 Chris Penso
    USA · Referee · 466×
  4. 4
    🇺🇸 Edvin Jurisevic
    USA · Referee · 455×
  5. 5
    🇺🇸 Jose Carlos Rivero
    USA · Referee · 451×
  6. 6
    🇺🇸 Armando Villarreal
    USA · Referee · 422×
  7. 7
    🇺🇸 Fotis Bazakos
    USA · Referee · 422×
  8. 8
    🇺🇸 Jorge Gonzalez
    USA · Referee · 422×
  9. 9
    🇺🇸 Mike Kampmeinert
    USA · Referee · 407×
  10. 10
    🇺🇸 Craig Lowry
    USA · Referee · 400×

Match Officials(91 officials · 353 matches)

All Officials →
Showing 2015 ·View all seasons
Sort by:
1
Alan KellyIRLReferee
Referee 204th 8
28×
→2
Baldomero ToledoMEXReferee
Referee 254th 3
28×
→3
Ismail ElfathUSAReferee
Referee 234th 5
28×
→4
Robert SibigaUSAFourth Official
Referee 34th 24
27×
→5
Allen ChapmanUSAReferee
Referee 224th 5
27×
→6
Silviu PetrescuCANReferee
Referee 164th 11
27×
→7
Jose Carlos RiveroUSAReferee
Referee 174th 10
27×
→8
Jorge GonzalezUSAReferee
Referee 164th 10
26×
→9
Sorin StoicaUNKReferee
Referee 164th 10
26×
→10
Patrick IanniUSAReferee
Referee 154th 10
25×
→11
Armando VillarrealUSAReferee
Referee 164th 8
24×
→12
Ricardo SalazarUSAReferee
Referee 184th 6
24×
→13
Alex ChilowiczENGFourth Official
4th 24
24×
→14
Chris PensoUSAReferee
Referee 204th 4
24×
→15
Fotis BazakosUSAReferee
Referee 154th 8
23×
→16
Kevin StottUSAReferee
Referee 174th 6
23×
→17
Ted UnkelUSAReferee
Referee 194th 3
22×
→18
Brian DunnUSAAssistant Referee
AR 22
22×
→19
Jair MarrufoUSAReferee
Referee 214th 1
22×
→20
Corey ParkerUSAAssistant Referee
AR 22
22×
→
Showing 1–20 of 91
1 / 5
RefereeAR4th

Venues(4 · 2015)

Stadiums used in Major League Soccer during 2015.

Lumen Field
📍 Seattle, United States
19 match(es)
→
BC Place
📍 Vancouver, Canada
17 match(es)
→
BMO Field
📍 Toronto, Canada
17 match(es)
→
Gillette Stadium
📍 Foxborough, United States
17 match(es)
→

Season-by-Season

SeasonMatchesOfficialsReferees
202651018239
202554415937
202452225059
202352114832
202248913631
202147214430
202030913930
201942110825
20184089827
201738910026
20163578527
20153539126
201433811734
20133388226
20123389833
20113198025

Top Venues

Lumen Field, Seattle284
Red Bull Arena, Harrison272
Gillette Stadium, Foxborough271
BMO Field, Toronto263
Shell Energy Stadium, Houston261
DICK'S Sporting Goods Park, Commerce City247
BC Place, Vancouver242
Providence Park, Portland234

Matches by Country

United States1422
Canada505

Stadium host countries (all-time)

Referees by Nationality

🇺🇸
USA266
🇲🇽
MEX25
🇨🇦
CAN25
🇮🇪
IRL20
🏳️
UNK17

Referee appointments · 2015 (top 91 officials)

2015 Matches(353 in season)

All Matches →
06/12/2015
Columbus Crew1-2Portland Timbers
→
29/11/2015
NY Red Bulls1-0Columbus Crew
→
29/11/2015
FC Dallas2-2Portland Timbers
→
22/11/2015
Columbus Crew2-0NY Red Bulls
→
22/11/2015
Portland Timbers3-1FC Dallas
→
08/11/2015
NY Red Bulls1-0D.C. United
→
08/11/2015
Columbus Crew3-1CF Montréal
→
08/11/2015
Vancouver Whitecaps0-2Portland Timbers
→
08/11/2015
FC Dallas2-1Seattle Sounders
→
01/11/2015
Seattle Sounders2-1FC Dallas
→
01/11/2015
CF Montréal2-1Columbus Crew
→
01/11/2015
D.C. United0-1NY Red Bulls
→
01/11/2015
Portland Timbers0-0Vancouver Whitecaps
→
29/10/2015
Portland Timbers2-2Sporting KC
→
29/10/2015
CF Montréal3-0Toronto FC
→
28/10/2015
D.C. United2-1NE Revolution
→
28/10/2015
Seattle Sounders3-2LA Galaxy
→
25/10/2015
Chicago Fire1-2NY Red Bulls
→
25/10/2015
FC Dallas2-1SJ Earthquakes
→
25/10/2015
Portland Timbers4-1Colorado Rapids
→
View all 353 matches →

Major League Soccer appointments by email

Get the confirmed crews for this league before each matchday. One email a week, unsubscribe any time.

Major League Soccer referees — FAQ

Who is the most-appointed referee in Major League Soccer?
🇲🇽 Baldomero Toledo has the most Major League Soccer refereeing appointments tracked on Referee.Observer, with 25 match(es) as referee.
How many referees have officiated in Major League Soccer?
419 match officials — referees, assistant referees, fourth officials, VAR and observers — have officiated in Major League Soccer across 16 season(s) in our data.
How many Major League Soccer matches are tracked on Referee.Observer?
Referee.Observer tracks 6,628 Major League Soccer matches with their full match-official appointments across 16 season(s).
Which seasons of Major League Soccer are covered?
Major League Soccer referee appointments are covered for 16 season(s), 2011 to 2026.
Who are the top match officials in Major League Soccer?
The most-appointed Major League Soccer match officials are 🇺🇸 Allen Chapman (498 match(es)), 🇺🇸 Kevin Stott (480 match(es)), 🇺🇸 Chris Penso (466 match(es)).