CJ Koll
🚩United States assistant referee · 1 competition
CJ Koll is a United States football assistant referee. They have officiated as assistant referee. In total they have 2 tracked match appearances across 1 competition, broken down as 2× AR. Most-worked competitions include Major League Soccer. This profile is built from official match-appointment data.
Top Competitions
Season-by-Season Activity
| Season | Total | AR |
|---|---|---|
| 2024 | 2 | 2 |
Career Milestones
Career-firsts tracked in our database.
Match Activity
2 matches · 1 yearPeer Benchmark
Median in United States: 17 matches · 2 seasons
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
Rarely Works With
Active officials in Major League Soccer they have shared fewest matches with.
- 1Allen ChapmanReferee · 497 in leagueNever
- 2Kevin StottVAR · 479 in leagueNever
- 3Chris PensoReferee · 465 in leagueNever
- 4Edvin JurisevicVAR · 454 in leagueNever
- 5Jose Carlos RiveroVAR · 450 in leagueNever
- 6Jorge GonzalezVAR · 422 in leagueNever
- 7Fotis BazakosReferee · 421 in leagueNever
- 8Armando VillarrealReferee · 421 in leagueNever
Explore the full officiating network — partnerships, observers, clubs and venues — on the network analysis page.
Top Destinations
- 1Carson1×
- 2San Jose1×
Venues Visited(2)
Stadiums CJ Koll has officiated at. Filter by competition or season to focus the map.
2 venues · 2 matches
Dignity Health Sports ParkCarson1 match
PayPal ParkSan Jose1 match
Frequently Asked Questions
What is CJ Koll's primary role?▾
CJ Koll is a United States football assistant referee.
How many matches has CJ Koll officiated?▾
CJ Koll has 2 tracked match appearances across 1 competition (2× AR).
Which competitions does CJ Koll work in?▾
CJ Koll has most often officiated in Major League Soccer.
Is CJ Koll a FIFA referee?▾
CJ Koll is not currently recorded as a FIFA badge holder in our data.
Which teams has CJ Koll officiated most?▾
Among domestic clubs, CJ Koll has most frequently officiated matches involving St Louis City, LA Galaxy and Vancouver Whitecaps.
Which cities has CJ Koll officiated in most?▾
CJ Koll has officiated most often in Carson and San Jose, with Dignity Health Sports Park the most-visited stadium.
Organizer reviews
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<a href="https://www.referee.observer/referee/usa/cj-koll" title="CJ Koll — referee statistics on Referee.Observer">CJ Koll — 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.