El ColegiadoData on refereeing in the Liga

Undiano Mallenco × Víctor Valdés

29 matches of Víctor Valdés (FC Barcelona) refereed by Alberto Undiano Mallenco, from 2003-04 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

Undiano Mallenco refereed 29 Liga matches in which Víctor Valdés took part, from 2003-04 to 2013-14: 2,610 minutes played, 2 yellow cards and 0 red cards. With the other referees, over the same seasons (339 matches, 30,371 minutes), Víctor Valdés receives 0.08 yellow cards per 90 minutes, against 0.07 with Undiano Mallenco.

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

29

29 starts · 2,610 minutes · 11 seasons

Yellow cards

2for 2.2 expected

0.07 per 90 minutes with this referee · 0.08 with the others

no clear difference

Red cards

0for 0.2 expected

0.00 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 cards22.24−0.0081.001.00no clear difference
Red cards00.25−0.0081.001.00no clear difference

The 29 matches

Minutes played and cards received by Víctor Valdés in each match refereed by Undiano Mallenco.

DateMatchTeamMinutesYellowsReds
30 Aug 2003Athletic Bilbao 0-1 FC BarcelonaFC Barcelona0′ → 90′00
30 Nov 2003FC Barcelona 0-0 Real ValladolidFC Barcelona0′ → 90′10
8 May 2004RC Celta de Vigo 1-0 FC BarcelonaFC Barcelona0′ → 90′00
29 Aug 2004Racing de Santander 0-2 FC BarcelonaFC Barcelona0′ → 90′00
20 Nov 2004FC Barcelona 3-0 Real Madrid CFFC Barcelona0′ → 90′00
14 May 2005Levante UD 1-1 FC BarcelonaFC Barcelona0′ → 90′00
15 Oct 2005Deportivo de A Coruña 3-3 FC BarcelonaFC Barcelona0′ → 90′00
24 Jan 2007Real Betis 1-1 FC BarcelonaFC Barcelona0′ → 90′00
10 Mar 2007FC Barcelona 3-3 Real Madrid CFFC Barcelona0′ → 90′00
17 Jun 2007Gimnàstic de Tarragona 1-5 FC BarcelonaFC Barcelona0′ → 90′00
22 Sept 2007FC Barcelona 2-1 Sevilla FCFC Barcelona0′ → 90′00
27 Jan 2008Athletic Bilbao 1-1 FC BarcelonaFC Barcelona0′ → 90′00
4 May 2008FC Barcelona 6-0 Valencia CFFC Barcelona0′ → 90′00
19 Oct 2008Athletic Bilbao 0-1 FC BarcelonaFC Barcelona0′ → 90′00
29 Nov 2008Sevilla FC 0-3 FC BarcelonaFC Barcelona0′ → 90′00
7 Mar 2009FC Barcelona 2-0 Athletic BilbaoFC Barcelona0′ → 90′00
2 May 2009Real Madrid CF 2-6 FC BarcelonaFC Barcelona0′ → 90′00
29 Nov 2009FC Barcelona 1-0 Real Madrid CFFC Barcelona0′ → 90′00
17 Apr 2010RCD Espanyol 0-0 FC BarcelonaFC Barcelona0′ → 90′00
8 May 2010Sevilla FC 2-3 FC BarcelonaFC Barcelona0′ → 90′10
3 Oct 2010FC Barcelona 1-1 RCD MallorcaFC Barcelona0′ → 90′00
18 Dec 2010RCD Espanyol 1-5 FC BarcelonaFC Barcelona0′ → 90′00
19 Nov 2011FC Barcelona 4-0 Real ZaragozaFC Barcelona0′ → 90′00
22 Jan 2012Málaga CF 1-4 FC BarcelonaFC Barcelona0′ → 90′00
21 Apr 2012FC Barcelona 1-2 Real Madrid CFFC Barcelona0′ → 90′00
19 Jan 2013Real Sociedad 3-2 FC BarcelonaFC Barcelona0′ → 90′00
20 Apr 2013FC Barcelona 1-0 Levante UDFC Barcelona0′ → 90′00
26 Oct 2013FC Barcelona 2-1 Real Madrid CFFC Barcelona0′ → 90′00
23 Mar 2014Real Madrid CF 3-4 FC BarcelonaFC Barcelona0′ → 90′00

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

Víctor Valdés with other referees

  • Pérez Lasa26 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