El ColegiadoData on refereeing in the Liga

César Muñiz Fernández × Andoni Iraola

21 matches of Andoni Iraola (Athletic Bilbao) refereed by César Muñiz Fernández, from 2004-05 to 2013-14.

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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

César Muñiz Fernández refereed 21 Liga matches in which Andoni Iraola took part, from 2004-05 to 2013-14: 1,770 minutes played, 4 yellow cards and 0 red cards. With the other referees, over the same seasons (325 matches, 27,767 minutes), Andoni Iraola receives 0.14 yellow cards per 90 minutes, against 0.20 with César Muñiz Fernández.

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

21

19 starts · 1,770 minutes · 10 seasons

Yellow cards

4for 3.0 expected

0.20 per 90 minutes with this referee · 0.14 with the others

no clear difference

Red cards

0for 0.0 expected

0.00 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 cards42.98+0.0520.441.00no clear difference
Red cards00.03−0.0021.001.00no clear difference

The 21 matches

Minutes played and cards received by Andoni Iraola in each match refereed by César Muñiz Fernández.

DateMatchTeamMinutesYellowsReds
24 Oct 2004Albacete Balompié 1-0 Athletic BilbaoAthletic Bilbao↑ 55′ → 90′00
16 Jan 2005Athletic Bilbao 1-1 RCD EspanyolAthletic Bilbao0′ → 90′00
17 Dec 2005Athletic Bilbao 2-0 Real BetisAthletic Bilbao0′ → 90′00
11 Mar 2007RC Celta de Vigo 1-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
29 Apr 2007Athletic Bilbao 1-4 Real Madrid CFAthletic Bilbao0′ → 71′00
26 Sept 2007Athletic Bilbao 0-2 Atlético MadridAthletic Bilbao0′ → 90′00
3 Feb 2008Real Zaragoza 1-0 Athletic BilbaoAthletic Bilbao0′ → 90′00
18 May 2008Sevilla FC 4-1 Athletic BilbaoAthletic Bilbao↑ 46′ → 90′10
1 Nov 2008Athletic Bilbao 1-4 Villarreal CFAthletic Bilbao0′ → 90′00
11 Jan 2009Atlético Madrid 2-3 Athletic BilbaoAthletic Bilbao0′ → 90′00
14 Mar 2009Athletic Bilbao 2-5 Real Madrid CFAthletic Bilbao0′ → 90′10
20 Sept 2009Athletic Bilbao 3-2 Villarreal CFAthletic Bilbao0′ → 90′00
3 Jan 2010RCD Mallorca 2-0 Athletic BilbaoAthletic Bilbao0′ → 90′00
28 Feb 2010Sevilla FC 0-0 Athletic BilbaoAthletic Bilbao0′ → 90′10
8 May 2010Real Madrid CF 5-1 Athletic BilbaoAthletic Bilbao0′ → 90′10
15 May 2011Athletic Bilbao 1-1 Málaga CFAthletic Bilbao0′ → 90′00
4 Dec 2011RCD Mallorca 1-1 Athletic BilbaoAthletic Bilbao0′ → 90′00
4 Nov 2012Granada CF 1-2 Athletic BilbaoAthletic Bilbao0′ → 90′00
27 Jan 2013Athletic Bilbao 3-0 Atlético MadridAthletic Bilbao0′ → 90′00
1 Jun 2013Rayo Vallecano 2-2 Athletic BilbaoAthletic Bilbao0′ → 90′00
23 Aug 2013Athletic Bilbao 2-0 CA OsasunaAthletic Bilbao0′ → 90′00

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

Andoni Iraola with other referees

  • Undiano Mallenco24 matches
  • David Fernández Borbalán22 matches
  • Ramírez Domínguez22 matches
  • Alfonso Álvarez19 matches
  • Fernando Teixeira Vitienes18 matches
  • Carlos Velasco Carballo18 matches
  • Carlos Clos Gómez16 matches
  • Mateu Lahoz15 matches
  • Ayza Gámez14 matches
  • Bernardino González Vázquez13 matches
  • Alfonso Pérez Burrull13 matches
  • Antonio Rubinos Pérez12 matches
  • Estrada Fernández11 matches
  • Vicente Lizondo Cortés11 matches
  • Luis Medina Cantalejo11 matches
  • Julián Rodríguez Santiago11 matches
  • José Antonio Teixeira Vitienes11 matches
  • Arturo Daudén Ibáñez10 matches
  • Iglesias Villanueva10 matches
  • Manuel Mejuto González10 matches