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Major League Soccer

USA

club
6,616
Matches
419
Officials
16
Seasons
2026
Latest Season
All seasons2026202520242023202220212020201920182017201620152014201320122011
First tracked match
Seattle Sounders vs LA Galaxy
15/03/2011
Latest tracked match
Inter Miami vs Charlotte FC
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 · 2011

Referee319AR6384th Official319

Home stadiums

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

Most-appointed referee · 2011
🇺🇸 Ricardo Salazar
23
as referee

Who referees Major League Soccer?

Most-appointed match officials across all Major League Soccer seasons

  1. 1
    🇺🇸 Allen Chapman
    USA · Referee · 497×
  2. 2
    🇺🇸 Kevin Stott
    USA · Referee · 479×
  3. 3
    🇺🇸 Chris Penso
    USA · Referee · 465×
  4. 4
    🇺🇸 Edvin Jurisevic
    USA · Referee · 454×
  5. 5
    🇺🇸 Jose Carlos Rivero
    USA · Referee · 450×
  6. 6
    🇺🇸 Jorge Gonzalez
    USA · Referee · 422×
  7. 7
    🇺🇸 Fotis Bazakos
    USA · Referee · 421×
  8. 8
    🇺🇸 Armando Villarreal
    USA · Referee · 421×
  9. 9
    🇺🇸 Mike Kampmeinert
    USA · Referee · 406×
  10. 10
    🇺🇸 Craig Lowry
    USA · Referee · 400×

Match Officials(80 officials · 319 matches)

All Officials →
Showing 2011 ·View all seasons
Sort by:
1
Ricardo SalazarUSAReferee
Referee 234th 7
30×
→2
Ian AndersonUSAAssistant Referee
AR 30
30×
→3
Craig LowryUSAAssistant Referee
AR 29
29×
→4
Gregory BarkeyUSAAssistant Referee
AR 28
28×
→5
Baldomero ToledoMEXReferee
Referee 214th 7
28×
→6
Peter ManikowskiUSAAssistant Referee
AR 27
27×
→7
Hilario GrajedaUSAReferee
Referee 204th 6
26×
→8
Corey RockwellUSAAssistant Referee
AR 26
26×
→9
Patrick IanniUSAFourth Official
Referee 84th 16
24×
→10
Alex PrusUSAReferee
Referee 164th 8
24×
→11
Frank AndersonUSAAssistant Referee
AR 23
23×
→12
Edvin JurisevicUSAReferee
Referee 124th 11
23×
→13
Jorge GonzalezUSAReferee
Referee 214th 2
23×
→14
Bill DittmarUSAAssistant Referee
AR 23
23×
→15
Jair MarrufoUSAReferee
Referee 22
22×
→16
Terry VaughnUSAReferee
Referee 174th 5
22×
→17
Mark KadlecikUSAReferee
Referee 154th 7
22×
→18
Corey ParkerUSAAssistant Referee
AR 21
21×
→19
Brian PoeschelUSAAssistant Referee
AR 21
21×
→20
Chris PensoUSAReferee
Referee 134th 8
21×
→
Showing 1–20 of 80
1 / 4
RefereeAR4th

Venues(4 · 2011)

Stadiums used in Major League Soccer during 2011.

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

Season-by-Season

SeasonMatchesOfficialsReferees
202649818238
202554415937
202452225059
202352114832
202248913631
202147214430
202030913930
201942110825
20184089827
201738910026
20163578527
20153539126
201433811734
20133388226
20123389833
20113198025

Top Venues

Lumen Field, Seattle283
Red Bull Arena, Harrison272
Gillette Stadium, Foxborough271
BMO Field, Toronto263
Shell Energy Stadium, Houston260
DICK'S Sporting Goods Park, Commerce City247
BC Place, Vancouver242
Providence Park, Portland234

Matches by Country

United States1421
Canada505

Stadium host countries (all-time)

Referees by Nationality

🇺🇸
USA277
🇲🇽
MEX21
🇨🇦
CAN21

Referee appointments · 2011 (top 80 officials)

2011 Matches(319 in season)

All Matches →
20/11/2011
LA Galaxy1-0Houston Dynamo
→
06/11/2011
Sporting KC0-2Houston Dynamo
→
06/11/2011
LA Galaxy3-1Real Salt Lake
→
03/11/2011
Houston Dynamo1-0Philadelphia Union
→
03/11/2011
LA Galaxy2-1NY Red Bulls
→
02/11/2011
Sporting KC2-0Colorado Rapids
→
02/11/2011
Seattle Sounders2-0Real Salt Lake
→
30/10/2011
Colorado Rapids0-2Sporting KC
→
30/10/2011
Philadelphia Union1-2Houston Dynamo
→
30/10/2011
NY Red Bulls0-1LA Galaxy
→
29/10/2011
Real Salt Lake3-0Seattle Sounders
→
27/10/2011
Colorado Rapids1-0Columbus Crew
→
26/10/2011
FC Dallas0-2NY Red Bulls
→
23/10/2011
Houston Dynamo3-1LA Galaxy
→
22/10/2011
SJ Earthquakes4-2FC Dallas
→
22/10/2011
Chicago Fire3-2Columbus Crew
→
22/10/2011
Chivas USA1-3Seattle Sounders
→
22/10/2011
D.C. United0-1Sporting KC
→
22/10/2011
Real Salt Lake1-1Portland Timbers
→
22/10/2011
Toronto FC2-2NE Revolution
→
View all 319 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?
🇺🇸 Ricardo Salazar has the most Major League Soccer refereeing appointments tracked on Referee.Observer, with 23 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 6,616 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 (497 match(es)), 🇺🇸 Kevin Stott (479 match(es)), 🇺🇸 Chris Penso (465 match(es)).