El ColegiadoData on refereeing in the Liga

Undiano Mallenco × Sergio Ramos

36 matches of Sergio Ramos (Real Madrid CF) refereed by Alberto Undiano Mallenco, from 2005-06 to 2018-19.

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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 36 Liga matches in which Sergio Ramos took part, from 2005-06 to 2018-19: 3,116 minutes played, 21 yellow cards and 3 red cards. With the other referees, over the same seasons (381 matches, 33,278 minutes), Sergio Ramos receives 0.35 yellow cards per 90 minutes, against 0.61 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

36

36 starts · 3,116 minutes · 14 seasons

Yellow cards

21for 13.3 expected

0.61 per 90 minutes with this referee · 0.35 with the others

no clear difference

Red cards

3for 1.5 expected

0.09 per 90 minutes with this referee · 0.04 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 cards2113.28+0.2230.0090.79no clear difference
Red cards31.52+0.0430.211.00no clear difference

The 36 matches

Minutes played and cards received by Sergio Ramos in each match refereed by Undiano Mallenco.

DateMatchTeamMinutesYellowsReds
27 Nov 2005Real Sociedad 2-2 Real Madrid CFReal Madrid CF0′ → 73′11
18 Feb 2006Real Madrid CF 3-0 Deportivo AlavésReal Madrid CF0′ → 90′00
1 Oct 2006Real Madrid CF 1-1 Atlético MadridReal Madrid CF0′ → 63′11
10 Mar 2007FC Barcelona 3-3 Real Madrid CFReal Madrid CF0′ → 90′10
12 May 2007Real Madrid CF 4-3 RCD EspanyolReal Madrid CF0′ → 90′10
9 Jun 2007Real Zaragoza 2-2 Real Madrid CFReal Madrid CF0′ → 90′10
30 Sept 2007Getafe CF 0-1 Real Madrid CFReal Madrid CF0′ → 90′00
16 Feb 2008Real Betis 2-1 Real Madrid CFReal Madrid CF0′ → 90′10
11 Jan 2009RCD Mallorca 0-3 Real Madrid CFReal Madrid CF0′ → 90′10
21 Feb 2009Real Madrid CF 6-1 Real BetisReal Madrid CF0′ → 90′00
4 Apr 2009Málaga CF 0-1 Real Madrid CFReal Madrid CF0′ → 90′10
2 May 2009Real Madrid CF 2-6 FC BarcelonaReal Madrid CF0′ → 72′10
29 Nov 2009FC Barcelona 1-0 Real Madrid CFReal Madrid CF0′ → 90′00
28 Mar 2010Real Madrid CF 3-2 Atlético MadridReal Madrid CF0′ → 90′10
24 Apr 2010Real Zaragoza 1-2 Real Madrid CFReal Madrid CF0′ → 90′00
16 May 2010Málaga CF 1-1 Real Madrid CFReal Madrid CF0′ → 90′10
20 Nov 2010Real Madrid CF 5-1 Athletic BilbaoReal Madrid CF0′ → 90′00
3 Jan 2011Getafe CF 2-3 Real Madrid CFReal Madrid CF0′ → 90′00
15 May 2011Villarreal CF 1-3 Real Madrid CFReal Madrid CF0′ → 90′00
29 Oct 2011Real Sociedad 0-1 Real Madrid CFReal Madrid CF0′ → 90′10
12 Feb 2012Real Madrid CF 4-2 Levante UDReal Madrid CF0′ → 90′10
21 Apr 2012FC Barcelona 1-2 Real Madrid CFReal Madrid CF0′ → 90′00
15 Sept 2012Sevilla FC 1-0 Real Madrid CFReal Madrid CF0′ → 90′00
1 Dec 2012Real Madrid CF 2-0 Atlético MadridReal Madrid CF0′ → 90′00
30 Mar 2013Real Zaragoza 1-1 Real Madrid CFReal Madrid CF0′ → 90′10
26 Oct 2013FC Barcelona 2-1 Real Madrid CFReal Madrid CF0′ → 55′10
23 Mar 2014Real Madrid CF 3-4 FC BarcelonaReal Madrid CF0′ → 63′01
27 Sept 2014Villarreal CF 0-2 Real Madrid CFReal Madrid CF0′ → 90′10
6 Dec 2014Real Madrid CF 3-0 RC Celta de VigoReal Madrid CF0′ → 90′10
4 Oct 2015Atlético Madrid 1-1 Real Madrid CFReal Madrid CF0′ → 90′10
13 Dec 2015Villarreal CF 1-0 Real Madrid CFReal Madrid CF0′ → 90′10
30 Apr 2016Real Sociedad 0-1 Real Madrid CFReal Madrid CF0′ → 90′10
14 May 2017Real Madrid CF 4-1 Sevilla FCReal Madrid CF0′ → 90′00
23 Sept 2017Deportivo Alavés 1-2 Real Madrid CFReal Madrid CF0′ → 90′00
11 Nov 2018RC Celta de Vigo 2-4 Real Madrid CFReal Madrid CF0′ → 90′00
2 Mar 2019Real Madrid CF 0-1 FC BarcelonaReal Madrid CF0′ → 90′10

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

Sergio Ramos with other referees