El ColegiadoData on refereeing in the Liga

Iturralde González × Iker Casillas

28 matches of Iker Casillas (Real Madrid CF) refereed by Eduardo Jesús Iturralde González, from 2000-01 to 2011-12.

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

Iturralde González refereed 28 Liga matches in which Iker Casillas took part, from 2000-01 to 2011-12: 2,483 minutes played, 1 yellow cards and 0 red cards. With the other referees, over the same seasons (398 matches, 35,701 minutes), Iker Casillas receives 0.04 yellow cards per 90 minutes, against 0.04 with Iturralde González.

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

28

28 starts · 2,483 minutes · 12 seasons

Yellow cards

1for 1.1 expected

0.04 per 90 minutes with this referee · 0.04 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 cards11.14−0.0050.761.00no clear difference
Red cards00.17−0.0061.001.00no clear difference

The 28 matches

Minutes played and cards received by Iker Casillas in each match refereed by Iturralde González.

DateMatchTeamMinutesYellowsReds
30 Sept 2000Racing de Santander 0-0 Real Madrid CFReal Madrid CF0′ → 90′00
17 Jun 2001Real Madrid CF 2-1 Real ValladolidReal Madrid CF0′ → 90′00
27 Oct 2001Villarreal CF 2-3 Real Madrid CFReal Madrid CF0′ → 90′00
5 Apr 2003Real Madrid CF 3-1 Rayo VallecanoReal Madrid CF0′ → 90′00
13 Sept 2003Real Madrid CF 7-2 Real ValladolidReal Madrid CF0′ → 90′00
8 May 2004Real Madrid CF 2-3 RCD MallorcaReal Madrid CF0′ → 90′00
7 Nov 2004Málaga CF 0-2 Real Madrid CFReal Madrid CF0′ → 90′00
2 Mar 2005Real Madrid CF 3-1 Real BetisReal Madrid CF0′ → 53′00
7 May 2005Real Madrid CF 5-0 Racing de SantanderReal Madrid CF0′ → 90′00
19 Nov 2005Real Madrid CF 0-3 FC BarcelonaReal Madrid CF0′ → 90′00
26 Feb 2006RCD Mallorca 2-1 Real Madrid CFReal Madrid CF0′ → 90′00
23 Apr 2006Real Madrid CF 2-1 Málaga CFReal Madrid CF0′ → 90′00
23 Sept 2006Real Betis 0-1 Real Madrid CFReal Madrid CF0′ → 90′00
18 Mar 2007Real Madrid CF 2-0 Gimnàstic de TarragonaReal Madrid CF0′ → 90′00
23 Sept 2007Real Valladolid 1-1 Real Madrid CFReal Madrid CF0′ → 90′00
6 Jan 2008Real Madrid CF 2-0 Real ZaragozaReal Madrid CF0′ → 90′00
1 Mar 2008Recreativo de Huelva 2-3 Real Madrid CFReal Madrid CF0′ → 90′00
13 Apr 2008Real Madrid CF 1-0 Real Murcia CFReal Madrid CF0′ → 90′00
8 Nov 2008Real Madrid CF 4-3 Málaga CFReal Madrid CF0′ → 90′00
9 May 2009Valencia CF 3-0 Real Madrid CFReal Madrid CF0′ → 90′00
4 Oct 2009Sevilla FC 2-1 Real Madrid CFReal Madrid CF0′ → 90′00
6 Mar 2010Real Madrid CF 3-2 Sevilla FCReal Madrid CF0′ → 90′00
3 Oct 2010Real Madrid CF 6-1 Deportivo de A CoruñaReal Madrid CF0′ → 90′00
29 Nov 2010FC Barcelona 5-0 Real Madrid CFReal Madrid CF0′ → 90′10
23 Jan 2011Real Madrid CF 1-0 RCD MallorcaReal Madrid CF0′ → 90′00
3 Dec 2011Sporting de Gijón 0-3 Real Madrid CFReal Madrid CF0′ → 90′00
28 Jan 2012Real Madrid CF 3-1 Real ZaragozaReal Madrid CF0′ → 90′00
10 Mar 2012Real Betis 2-3 Real Madrid CFReal Madrid CF0′ → 90′00

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

Iker Casillas with other referees

Iturralde González with other players