KK
Katja Koroleva
Referee · MLS · 3 games on file, 06 Apr 25 to 20 Sep 26
5.7
Cards / game
5.3
Yellow / game
0.33
Red / game
9.7
Corners / game
4.00
Goals / game
Home / away card split
Cards aren’t entirely a referee’s own doing, since different teams sit either side every match, but a persistent lean here is a genuine pattern in how this official is appointed and how they officiate.
Home cards/game
2.00
Away cards/game
3.67
Leans 1.7 more cards/game on the away side.
Every game by season
All 3 games on file, newest season first, with cards per game next to the league average for that season.
2026 · MLS1 game
Games
1
Cards / game
7.0
League avg: 4.20
Goals / game
7.00
League avg: 3.25
| Date | Fixture | Score | Home Y/R | Away Y/R |
|---|---|---|---|---|
| 20 Sep 26 | Sporting Kansas City vs Philadelphia Union | 3–4 | 3/0 | 4/0 |
2025 · MLS2 games
Games
2
Cards / game
5.0
League avg: 4.36
Goals / game
2.50
League avg: 3.00
| Date | Fixture | Score | Home Y/R | Away Y/R |
|---|---|---|---|---|
| 19 Jul 25 | Columbus Crew vs DC United | 2–1 | 1/0 | 2/1 |
| 06 Apr 25 | Vancouver Whitecaps vs Colorado Rapids | 2–0 | 2/0 | 4/0 |
Referee data before 2025/26 from the Transfermarkt datasets project.