El ColegiadoData on refereeing in the Liga

Estrada Fernández × Gabi

21 matches of Gabi (Real Zaragoza, Atlético Madrid) refereed by Xavier Estrada Fernández, from 2009-10 to 2017-18.

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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

Estrada Fernández refereed 21 Liga matches in which Gabi took part, from 2009-10 to 2017-18: 1,669 minutes played, 8 yellow cards and 0 red cards. With the other referees, over the same seasons (279 matches, 22,776 minutes), Gabi receives 0.36 yellow cards per 90 minutes, against 0.43 with Estrada 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

18 starts · 1,669 minutes · 9 seasons

Yellow cards

8for 6.8 expected

0.43 per 90 minutes with this referee · 0.36 with the others

no clear difference

Red cards

0for 0.3 expected

0.00 per 90 minutes with this referee · 0.02 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 cards86.77+0.0670.541.00no clear difference
Red cards00.29−0.0160.511.00no clear difference

The 21 matches

Minutes played and cards received by Gabi in each match refereed by Estrada Fernández.

DateMatchTeamMinutesYellowsReds
18 Oct 2009Real Zaragoza 2-2 Racing de SantanderReal Zaragoza0′ → 90′00
18 Apr 2010Athletic Bilbao 0-0 Real ZaragozaReal Zaragoza0′ → 90′10
15 May 2010Real Zaragoza 3-3 Villarreal CFReal Zaragoza0′ → 90′10
11 Apr 2011Real Zaragoza 2-1 Getafe CFReal Zaragoza0′ → 90′10
30 Oct 2011Atlético Madrid 3-1 Real ZaragozaAtlético Madrid0′ → 90′10
11 Feb 2012Racing de Santander 0-0 Atlético MadridAtlético Madrid0′ → 90′10
21 Mar 2012Atlético Madrid 2-1 Athletic BilbaoAtlético Madrid0′ → 90′10
13 May 2012Villarreal CF 0-1 Atlético MadridAtlético Madrid0′ → 58′00
16 Sept 2012Atlético Madrid 4-3 Rayo VallecanoAtlético Madrid0′ → 90′00
10 Feb 2013Rayo Vallecano 2-1 Atlético MadridAtlético Madrid0′ → 90′10
31 Mar 2013Atlético Madrid 1-1 Valencia CFAtlético Madrid0′ → 90′00
24 Sept 2013Atlético Madrid 2-1 CA OsasunaAtlético Madrid↑ 46′ → 90′00
2 Feb 2014Atlético Madrid 4-0 Real SociedadAtlético Madrid0′ → 90′00
23 Mar 2014Real Betis 0-2 Atlético MadridAtlético Madrid0′ → 90′00
4 Apr 2015Córdoba CF 0-2 Atlético MadridAtlético Madrid0′ → 90′00
8 Nov 2015Atlético Madrid 1-0 Sporting de GijónAtlético Madrid0′ → 90′00
29 Oct 2016Atlético Madrid 4-2 Málaga CFAtlético Madrid0′ → 90′00
5 Mar 2017Atlético Madrid 3-0 Valencia CFAtlético Madrid0′ → 90′00
21 May 2017Atlético Madrid 3-1 Athletic BilbaoAtlético Madrid0′ → 90′10
20 Sept 2017Athletic Bilbao 1-2 Atlético MadridAtlético Madrid↑ 72′ → 90′00
8 Apr 2018Real Madrid CF 1-1 Atlético MadridAtlético Madrid↑ 71′ → 90′00

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

Gabi with other referees

  • David Fernández Borbalán23 matches
  • Mateu Lahoz21 matches
  • González González20 matches
  • Undiano Mallenco20 matches
  • Alfonso Álvarez18 matches
  • Carlos Clos Gómez18 matches
  • Iglesias Villanueva17 matches
  • Pérez Lasa16 matches
  • Fernando Teixeira Vitienes16 matches
  • Ayza Gámez14 matches
  • Iturralde González14 matches
  • César Muñiz Fernández14 matches
  • Delgado Ferreiro13 matches
  • Martínez Munuera12 matches
  • Ramírez Domínguez12 matches
  • Gil Manzano10 matches
  • Alfonso Pérez Burrull10 matches
  • Javier Turienzo Álvarez10 matches