El ColegiadoData on refereeing in the Liga

Carlos Velasco Carballo × Daniel Alves

23 matches of Daniel Alves (Sevilla FC, FC Barcelona) refereed by Carlos Velasco Carballo, from 2004-05 to 2015-16.

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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

Carlos Velasco Carballo refereed 23 Liga matches in which Daniel Alves took part, from 2004-05 to 2015-16: 1,706 minutes played, 9 yellow cards and 1 red cards. With the other referees, over the same seasons (352 matches, 29,472 minutes), Daniel Alves receives 0.30 yellow cards per 90 minutes, against 0.48 with Carlos Velasco Carballo.

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

23

19 starts · 1,706 minutes · 12 seasons

Yellow cards

9for 6.2 expected

0.48 per 90 minutes with this referee · 0.30 with the others

no clear difference

Red cards

1for 0.6 expected

0.05 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 cards96.23+0.1460.210.97no clear difference
Red cards10.56+0.0230.281.00no clear difference

The 23 matches

Minutes played and cards received by Daniel Alves in each match refereed by Carlos Velasco Carballo.

DateMatchTeamMinutesYellowsReds
11 Sept 2004FC Barcelona 2-0 Sevilla FCSevilla FC0′ → 46′00
5 Dec 2004Sevilla FC 2-0 Athletic BilbaoSevilla FC0′ → 90′00
10 Apr 2005RCD Espanyol 1-3 Sevilla FCSevilla FC↑ 79′ → 90′00
28 Aug 2005Sevilla FC 1-0 Racing de SantanderSevilla FC0′ → 90′00
12 Mar 2006Deportivo Alavés 2-1 Sevilla FCSevilla FC0′ → 90′00
9 Apr 2006Sevilla FC 1-1 Real ZaragozaSevilla FC0′ → 90′10
5 Nov 2006Sevilla FC 2-0 CA OsasunaSevilla FC0′ → 90′00
11 Mar 2007Gimnàstic de Tarragona 1-0 Sevilla FCSevilla FC0′ → 90′00
29 Apr 2007Sevilla FC 3-1 RCD EspanyolSevilla FC0′ → 90′10
16 Sept 2007Sevilla FC 4-1 Recreativo de HuelvaSevilla FC0′ → 75′10
11 Nov 2007Villarreal CF 3-2 Sevilla FCSevilla FC0′ → 44′11
1 Nov 2008Málaga CF 1-4 FC BarcelonaFC Barcelona0′ → 90′10
3 Jan 2009FC Barcelona 3-1 RCD MallorcaFC Barcelona↑ 56′ → 90′10
3 Oct 2009FC Barcelona 1-0 UD AlmeríaFC Barcelona0′ → 90′00
2 Dec 2009Xerez CD 0-2 FC BarcelonaFC Barcelona0′ → 90′00
24 Mar 2010FC Barcelona 2-0 CA OsasunaFC Barcelona0′ → 90′10
11 Sept 2010FC Barcelona 0-2 Hércules CFFC Barcelona↑ 59′ → 90′00
21 Sept 2011Valencia CF 2-2 FC BarcelonaFC Barcelona0′ → 90′00
3 Mar 2012FC Barcelona 3-1 Sporting de GijónFC Barcelona0′ → 90′10
23 Feb 2013FC Barcelona 2-1 Sevilla FCFC Barcelona0′ → 90′00
1 Nov 2013FC Barcelona 1-0 RCD EspanyolFC Barcelona0′ → 90′00
31 Aug 2014Villarreal CF 0-1 FC BarcelonaFC Barcelona0′ → 90′10
9 Jan 2016FC Barcelona 4-0 Granada CFFC Barcelona↑ 65′ → 90′00

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

Daniel Alves with other referees

  • Undiano Mallenco30 matches
  • Fernando Teixeira Vitienes25 matches
  • Pérez Lasa23 matches
  • David Fernández Borbalán19 matches
  • César Muñiz Fernández19 matches
  • Iturralde González18 matches
  • Carlos Clos Gómez15 matches
  • Mateu Lahoz15 matches
  • Delgado Ferreiro14 matches
  • Manuel Mejuto González14 matches
  • Alfonso Pérez Burrull14 matches
  • Bernardino González Vázquez12 matches
  • Antonio Rubinos Pérez11 matches
  • Ayza Gámez10 matches
  • Del Cerro Grande10 matches
  • Carlos Megía Dávila10 matches
  • Javier Turienzo Álvarez10 matches