Diego Blas
🚩United States assistant referee · 1 competition
Diego Blas is a United States football assistant referee. They have officiated as assistant referee, fourth official and AVAR. In total they have 172 tracked match appearances across 1 competition, broken down as 151× AR, 3× 4th Official, 18× AVAR. Most-worked competitions include Major League Soccer. This profile is built from official match-appointment data.
Top Competitions
Season-by-Season Activity
Career Milestones
Career-firsts tracked in our database.
Match Activity
172 matches · 9 yearsTop 18% among United States officials
Peer Benchmark
Median in United States: 17 matches · 2 seasons
Recent Matches
Most-Officiated Teams
Least-Officiated Teams
Clubs in their current competition, ordered by how seldom this official has worked their matches.
Each number = matches officiated involving that club · 0× = never officiated them
Other officials from United States
Career Events
Career events (UEFA courses, awards) will appear here when available.
Season Reports
Frequently Works With
Rarely Works With
Active officials in Major League Soccer they have shared fewest matches with.
- 1Hilario GrajedaReferee · 298 in leagueNever
- 2Mark GeigerReferee · 183 in leagueNever
- 3Patrick IanniReferee · 174 in leagueNever
- 4Charles MorganteAssistant Referee 1 · 170 in leagueNever
- 5Eric BoriaAssistant Referee 1 · 146 in leagueNever
- 6Kermit QuisenberryAssistant Referee 1 · 128 in leagueNever
- 7Gregory BarkeyAssistant Referee 1 · 124 in leagueNever
- 8Eduardo MariscalAssistant Referee 2 · 114 in leagueNever
Explore the full officiating network — partnerships, observers, clubs and venues — on the network analysis page.
Top Destinations
- 1🇺🇸United States171×
- 2🇨🇦Canada1×
🌍 Geographic Reach
Countries where officiated
Officiated in 2 countries across 1 continent
Venues Visited(49)
Stadiums Diego Blas has officiated at. Filter by competition or season to focus the map.
49 venues · 172 matches
Shell Energy StadiumHouston13 matches
- 30 Mar 2024Major League Soccer
- 20 Sept 2023Major League Soccer
- 21 Jun 2023Major League Soccer
- 13 May 2023Major League Soccer
- 18 Mar 2023Major League Soccer
- 13 Aug 2022Major League Soccer
- 09 Jul 2022Major League Soccer
- 28 Aug 2021Major League Soccer
- 12 May 2021Major League Soccer
- 16 Apr 2021Major League Soccer
- 02 Sept 2020Major League Soccer
- 01 Jun 2019Major League Soccer
- 03 Jul 2018Major League Soccer
Toyota StadiumFrisco10 matches
- 17 Jul 2024Major League Soccer
- 15 Jun 2024Major League Soccer
- 26 Aug 2023Major League Soccer
- 09 Oct 2022Major League Soccer
- 26 Feb 2022Major League Soccer
- 11 Sept 2021Major League Soccer
- 04 Jul 2021Major League Soccer
- 01 May 2021Major League Soccer
- 31 Oct 2020Major League Soccer
- 16 Aug 2020Major League Soccer
Childrens Mercy ParkKansas City9 matches
PayPal ParkSan Jose9 matches
GEODIS ParkNashville7 matches
Q2 StadiumAustin7 matches
Subaru ParkChester7 matches
Inter&Co StadiumOrlando, United States6 matches
BMO FieldToronto, Canada5 matches
DICKS Sporting Goods ParkCommerce City5 matches
Dignity Health Sports ParkCarson5 matches
TQL StadiumCincinnati, United States5 matches
Audi FieldWashington D.C4 matches
BC PlaceVancouver, Canada4 matches
BMO StadiumLos Angeles4 matches
Energizer ParkSt. Louis4 matches
Lower.com FieldColumbus4 matches
Lumen FieldSeattle, United States4 matches
Red Bull ArenaHarrison4 matches
Allianz FieldSt. Paul3 matches
Bank of America StadiumCharlotte3 matches
Dignity Health Sports ParkCarson, United States3 matches
Energizer ParkSt. Louis, United States3 matches
Gillette StadiumFoxborough, United States3 matches
Mercedes-Benz StadiumAtlanta, United States3 matches
Providence ParkPortland3 matches
Rio Tinto StadiumSandy3 matches
Shell Energy StadiumHouston, United States3 matches
Subaru ParkChester, United States3 matches
America First FieldSandy, United States2 matches
America First FieldSandy2 matches
Bank of America StadiumCharlotte, United States2 matches
BMO StadiumLos Angeles, United States2 matches
Stade SaputoMontreal2 matches
Yankee StadiumBronx2 matches
Allianz FieldSt. Paul, United States1 match
Chase StadiumFort Lauderdale1 match
Childrens Mercy ParkKansas City1 match
CITYPARKSt. Louis1 match
Dicks Sporting Goods ParkCommerce City1 match
GEODIS ParkNashville, United States1 match
Inter Miami CF StadiumFort Lauderdale1 match
Inter.co StadiumOrlando1 match
Nu StadiumMiami1 match
Providence ParkPortland, United States1 match
Q2 StadiumAustin, United States1 match
ScottsMiracle-Gro FieldColumbus1 match
Soldier FieldChicago1 match
Toyota StadiumFrisco, United States1 match
Travel map
Venues in chronological order across tracked matches.
Frequently Asked Questions
What is Diego Blas's primary role?▾
Diego Blas is a United States football assistant referee, and has also worked as fourth official and AVAR.
How many matches has Diego Blas officiated?▾
Diego Blas has 172 tracked match appearances across 1 competition (151× AR, 3× 4th Official, 18× AVAR).
Which competitions does Diego Blas work in?▾
Diego Blas has most often officiated in Major League Soccer.
Is Diego Blas a FIFA referee?▾
Diego Blas is not currently recorded as a FIFA badge holder in our data.
Which teams has Diego Blas officiated most?▾
Among domestic clubs, Diego Blas has most frequently officiated matches involving Houston Dynamo, SJ Earthquakes and FC Dallas.
Which cities has Diego Blas officiated in most?▾
Diego Blas has officiated most often in Houston, Frisco, Kansas City and Chester, with Shell Energy Stadium the most-visited stadium.
Organizer reviews
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<a href="https://www.referee.observer/referee/usa/diego-blas" title="Diego Blas — referee statistics on Referee.Observer">Diego Blas — referee profile & stats on Referee.Observer</a>Referee.Observer is built by a community of referees from open, public data sources — so some details may be out of date or wrong.