El ColegiadoData on refereeing in the Liga

Pérez Lasa × Víctor Valdés

26 matches of Víctor Valdés (FC Barcelona) refereed by Miguel Ángel Pérez Lasa, from 2002-03 to 2012-13.

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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

Pérez Lasa refereed 26 Liga matches in which Víctor Valdés took part, from 2002-03 to 2012-13: 2,340 minutes played, 5 yellow cards and 1 red cards. With the other referees, over the same seasons (332 matches, 29,808 minutes), Víctor Valdés receives 0.06 yellow cards per 90 minutes, against 0.19 with Pérez Lasa.

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

26

26 starts · 2,340 minutes · 11 seasons

Yellow cards

5for 2.0 expected

0.19 per 90 minutes with this referee · 0.06 with the others

no clear difference

Red cards

1for 0.2 expected

0.04 per 90 minutes with this referee · 0.01 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 cards51.98+0.1160.070.97no clear difference
Red cards10.22+0.0300.421.00no clear difference

The 26 matches

Minutes played and cards received by Víctor Valdés in each match refereed by Pérez Lasa.

DateMatchTeamMinutesYellowsReds
1 Sept 2002FC Barcelona 2-2 Atlético MadridFC Barcelona0′ → 90′00
3 Dec 2003Málaga CF 5-1 FC BarcelonaFC Barcelona0′ → 90′10
14 Nov 2004Real Betis 2-1 FC BarcelonaFC Barcelona0′ → 90′00
1 Mar 2005FC Barcelona 0-0 RCD EspanyolFC Barcelona0′ → 90′00
24 Sept 2005Real Betis 1-4 FC BarcelonaFC Barcelona0′ → 90′10
20 Dec 2005FC Barcelona 2-0 RC Celta de VigoFC Barcelona0′ → 90′00
12 Mar 2006CA Osasuna 2-1 FC BarcelonaFC Barcelona0′ → 90′00
28 Aug 2006RC Celta de Vigo 2-3 FC BarcelonaFC Barcelona0′ → 90′00
25 Nov 2006FC Barcelona 4-0 Villarreal CFFC Barcelona0′ → 90′00
16 Sept 2007CA Osasuna 0-0 FC BarcelonaFC Barcelona0′ → 90′00
19 Apr 2008FC Barcelona 0-0 RCD EspanyolFC Barcelona0′ → 90′00
16 Nov 2008Recreativo de Huelva 0-2 FC BarcelonaFC Barcelona0′ → 90′00
24 Jan 2009FC Barcelona 4-1 CD NumanciaFC Barcelona0′ → 90′00
4 Apr 2009Real Valladolid 0-1 FC BarcelonaFC Barcelona0′ → 90′00
10 Jan 2010CD Tenerife 0-5 FC BarcelonaFC Barcelona0′ → 90′00
16 May 2010FC Barcelona 4-0 Real ValladolidFC Barcelona0′ → 90′00
23 Oct 2010Real Zaragoza 0-2 FC BarcelonaFC Barcelona0′ → 90′00
2 Jan 2011FC Barcelona 2-1 Levante UDFC Barcelona0′ → 90′00
12 Feb 2011Sporting de Gijón 1-1 FC BarcelonaFC Barcelona0′ → 90′10
13 Mar 2011Sevilla FC 1-1 FC BarcelonaFC Barcelona0′ → 90′00
29 Nov 2011FC Barcelona 4-0 Rayo VallecanoFC Barcelona0′ → 90′10
26 Feb 2012Atlético Madrid 1-2 FC BarcelonaFC Barcelona0′ → 90′00
2 Sept 2012FC Barcelona 1-0 Valencia CFFC Barcelona0′ → 90′00
27 Oct 2012Rayo Vallecano 0-5 FC BarcelonaFC Barcelona0′ → 90′00
16 Dec 2012FC Barcelona 4-1 Atlético MadridFC Barcelona0′ → 90′00
2 Mar 2013Real Madrid CF 2-1 FC BarcelonaFC Barcelona0′ → 90′11

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

Víctor Valdés with other referees

  • Undiano Mallenco29 matches
  • David Fernández Borbalán21 matches
  • César Muñiz Fernández21 matches
  • Fernando Teixeira Vitienes20 matches
  • Carlos Velasco Carballo19 matches
  • Iturralde González17 matches
  • Manuel Mejuto González15 matches
  • Javier Turienzo Álvarez15 matches
  • Delgado Ferreiro14 matches
  • Bernardino González Vázquez12 matches
  • Alfonso Pérez Burrull12 matches
  • Ramírez Domínguez12 matches
  • Carlos Clos Gómez11 matches
  • Luis Medina Cantalejo11 matches
  • Carlos Megía Dávila11 matches
  • Antonio Rubinos Pérez11 matches
  • Ayza Gámez10 matches