El ColegiadoData on refereeing in the Liga

David Fernández Borbalán × Iker Casillas

25 matches of Iker Casillas (Real Madrid CF) refereed by David José Fernández Borbalán, from 2004-05 to 2014-15.

Report an error on this pageHow to read this page
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

David Fernández Borbalán refereed 25 Liga matches in which Iker Casillas took part, from 2004-05 to 2014-15: 2,250 minutes played, 1 yellow cards and 0 red cards. With the other referees, over the same seasons (320 matches, 28,658 minutes), Iker Casillas receives 0.04 yellow cards per 90 minutes, against 0.04 with David Fernández Borbalán.

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

25

25 starts · 2,250 minutes · 11 seasons

Yellow cards

1for 0.9 expected

0.04 per 90 minutes with this referee · 0.04 with the others

no clear difference

Red cards

0for 0.1 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 cards10.90+0.0041.001.00no clear difference
Red cards00.15−0.0061.001.00no clear difference

The 25 matches

Minutes played and cards received by Iker Casillas in each match refereed by David Fernández Borbalán.

DateMatchTeamMinutesYellowsReds
25 Sept 2004Athletic Bilbao 2-1 Real Madrid CFReal Madrid CF0′ → 90′10
17 Apr 2005Levante UD 0-2 Real Madrid CFReal Madrid CF0′ → 90′00
26 Oct 2005Deportivo de A Coruña 3-1 Real Madrid CFReal Madrid CF0′ → 90′00
8 Apr 2006Real Madrid CF 1-1 Real SociedadReal Madrid CF0′ → 90′00
27 Aug 2006Real Madrid CF 0-0 Villarreal CFReal Madrid CF0′ → 90′00
21 Jan 2007RCD Mallorca 0-1 Real Madrid CFReal Madrid CF0′ → 90′00
26 May 2007Real Madrid CF 3-1 Deportivo de A CoruñaReal Madrid CF0′ → 90′00
11 Nov 2007Real Madrid CF 4-3 RCD MallorcaReal Madrid CF0′ → 90′00
13 Jan 2008Levante UD 0-2 Real Madrid CFReal Madrid CF0′ → 90′00
15 Nov 2008Real Valladolid 1-0 Real Madrid CFReal Madrid CF0′ → 90′00
7 Mar 2009Real Madrid CF 1-1 Atlético MadridReal Madrid CF0′ → 90′00
29 Aug 2009Real Madrid CF 3-2 Deportivo de A CoruñaReal Madrid CF0′ → 90′00
10 Jan 2010Real Madrid CF 2-0 RCD MallorcaReal Madrid CF0′ → 90′00
25 Mar 2010Getafe CF 2-4 Real Madrid CFReal Madrid CF0′ → 90′00
29 Aug 2010RCD Mallorca 0-0 Real Madrid CFReal Madrid CF0′ → 90′00
9 Jan 2011Real Madrid CF 4-2 Villarreal CFReal Madrid CF0′ → 90′00
26 Feb 2011Deportivo de A Coruña 0-0 Real Madrid CFReal Madrid CF0′ → 90′00
21 Sept 2011Racing de Santander 0-0 Real Madrid CFReal Madrid CF0′ → 90′00
10 Dec 2011Real Madrid CF 1-3 FC BarcelonaReal Madrid CF0′ → 90′00
26 Feb 2012Rayo Vallecano 0-1 Real Madrid CFReal Madrid CF0′ → 90′00
24 Sept 2012Rayo Vallecano 0-2 Real Madrid CFReal Madrid CF0′ → 90′00
17 May 2014Real Madrid CF 3-1 RCD EspanyolReal Madrid CF0′ → 90′00
22 Nov 2014SD Eibar 0-4 Real Madrid CFReal Madrid CF0′ → 90′00
10 Jan 2015Real Madrid CF 3-0 RCD EspanyolReal Madrid CF0′ → 90′00
7 Feb 2015Atlético Madrid 4-0 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