El ColegiadoData on refereeing in the Liga

Mateu Lahoz × Gorka Iraizoz

22 matches of Gorka Iraizoz (Athletic Bilbao) refereed by Antonio Miguel Mateu Lahoz, from 2008-09 to 2016-17.

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Player data: 2000-01 → 2021-22 only. Player-level match sheets come from Zenodo (BeSoccer, CC BY-NC 4.0 licence, non-commercial use). No free source provides them after 2021-22: more recent matches are not counted here. Penalties conceded are not attributed to players in the source, so they are not analysed.

In short

Mateu Lahoz refereed 22 Liga matches in which Gorka Iraizoz took part, from 2008-09 to 2016-17: 1,894 minutes played, 1 yellow cards and 1 red cards. With the other referees, over the same seasons (240 matches, 21,564 minutes), Gorka Iraizoz receives 0.07 yellow cards per 90 minutes, against 0.05 with Mateu Lahoz.

Verdict: no clear difference with the other referees.

Cards are rare (less than one per player per match): over a few dozen matches, only a very large deviation can be told apart from chance. "No clear difference" does not mean "no effect".

Matches

22

22 starts · 1,894 minutes · 8 seasons

Yellow cards

1for 1.5 expected

0.05 per 90 minutes with this referee · 0.07 with the others

no clear difference

Red cards

1for 0.1 expected

0.05 per 90 minutes with this referee · 0.00 with the others

no clear difference
For experts: statistical tests and method

Permutation test stratified by season: within each season, the player's matches given to this referee are drawn again at random among all the player's matches (same number per season). Deviation = (observed − expected cards) per 90 minutes played with this referee; positive = more cards than expected. q: Benjamini-Hochberg correction over the 3,781 pairs with at least 10 matches, separately for yellows and reds.

MeasureObservedExpectedDeviation / 90 minpqVerdict
Yellow cards11.48−0.0230.961.00no clear difference
Red cards10.06+0.0450.161.00no clear difference

The 22 matches

Minutes played and cards received by Gorka Iraizoz in each match refereed by Mateu Lahoz.

DateMatchTeamMinutesYellowsReds
25 Jan 2009UD Almería 2-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
12 Apr 2009CA Osasuna 2-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
4 Oct 2009Real Valladolid 2-2 Athletic BilbaoAthletic Bilbao0′ → 90′00
7 Mar 2010Athletic Bilbao 2-0 Real ValladolidAthletic Bilbao0′ → 90′00
3 Apr 2010FC Barcelona 4-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
25 Sept 2010Athletic Bilbao 1-3 FC BarcelonaAthletic Bilbao0′ → 90′00
4 Apr 2011UD Almería 1-3 Athletic BilbaoAthletic Bilbao0′ → 90′00
10 May 2011Deportivo de A Coruña 2-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
22 Jan 2012Real Madrid CF 4-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
4 Mar 2012Athletic Bilbao 2-0 Real SociedadAthletic Bilbao0′ → 90′00
31 Mar 2012FC Barcelona 2-0 Athletic BilbaoAthletic Bilbao0′ → 90′00
1 Dec 2012FC Barcelona 5-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
22 Dec 2012Athletic Bilbao 0-2 Real ZaragozaAthletic Bilbao0′ → 90′00
8 Apr 2013Sevilla FC 2-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
23 Aug 2014Málaga CF 1-0 Athletic BilbaoAthletic Bilbao0′ → 90′10
8 Feb 2015Athletic Bilbao 2-5 FC BarcelonaAthletic Bilbao0′ → 90′00
14 Mar 2015RC Celta de Vigo 1-2 Athletic BilbaoAthletic Bilbao0′ → 90′00
18 Apr 2015Athletic Bilbao 4-0 Getafe CFAthletic Bilbao0′ → 90′00
23 Sept 2015Athletic Bilbao 1-2 Real Madrid CFAthletic Bilbao0′ → 90′00
17 Jan 2016FC Barcelona 6-0 Athletic BilbaoAthletic Bilbao0′ → 4′01
2 Mar 2016Athletic Bilbao 4-1 Deportivo de A CoruñaAthletic Bilbao0′ → 90′00
28 Aug 2016Athletic Bilbao 0-1 FC BarcelonaAthletic Bilbao0′ → 90′00

↑: came on as a substitute. Stoppage time is not recorded in the source: minutes stop at 90.

Gorka Iraizoz with other referees

  • Alfonso Álvarez22 matches
  • David Fernández Borbalán18 matches
  • Undiano Mallenco18 matches
  • Carlos Velasco Carballo17 matches
  • Del Cerro Grande16 matches
  • Carlos Clos Gómez16 matches
  • Estrada Fernández16 matches
  • César Muñiz Fernández16 matches
  • Iglesias Villanueva15 matches
  • Fernando Teixeira Vitienes15 matches
  • Ramírez Domínguez12 matches
  • José Antonio Teixeira Vitienes12 matches
  • Ayza Gámez10 matches
  • Pérez Montero10 matches