El ColegiadoData on refereeing in the Liga

Hernández Hernández × Lionel Messi

20 matches of Lionel Messi (FC Barcelona) refereed by Alejandro José Hernández Hernández, from 2013-14 to 2020-21.

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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

Hernández Hernández refereed 20 Liga matches in which Lionel Messi took part, from 2013-14 to 2020-21: 1,739 minutes played, 7 yellow cards and 0 red cards. With the other referees, over the same seasons (252 matches, 21,129 minutes), Lionel Messi receives 0.09 yellow cards per 90 minutes, against 0.36 with Hernández Hernández.

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

20

19 starts · 1,739 minutes · 8 seasons

Yellow cards

7for 2.4 expected

0.36 per 90 minutes with this referee · 0.09 with the others

no clear difference

Red cards

0for 0.0 expected

0.00 per 90 minutes with this referee · 0.00 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 cards72.39+0.2390.0060.79no clear difference
Red cards00.000.0001.001.00no clear difference

The 20 matches

Minutes played and cards received by Lionel Messi in each match refereed by Hernández Hernández.

DateMatchTeamMinutesYellowsReds
8 Mar 2014Real Valladolid 1-0 FC BarcelonaFC Barcelona0′ → 90′00
24 Sept 2014Málaga CF 0-0 FC BarcelonaFC Barcelona0′ → 90′00
8 Apr 2015FC Barcelona 4-0 UD AlmeríaFC Barcelona0′ → 90′00
14 Feb 2016FC Barcelona 6-1 RC Celta de VigoFC Barcelona0′ → 90′00
2 Apr 2016FC Barcelona 1-2 Real Madrid CFFC Barcelona0′ → 90′00
14 May 2016Granada CF 0-3 FC BarcelonaFC Barcelona0′ → 90′00
29 Jan 2017Real Betis 1-1 FC BarcelonaFC Barcelona0′ → 90′00
19 Mar 2017FC Barcelona 4-2 Valencia CFFC Barcelona0′ → 90′10
23 Apr 2017Real Madrid CF 2-3 FC BarcelonaFC Barcelona0′ → 90′10
21 May 2017FC Barcelona 4-2 SD EibarFC Barcelona0′ → 90′00
19 Sept 2017FC Barcelona 6-1 SD EibarFC Barcelona0′ → 90′00
17 Feb 2018SD Eibar 0-2 FC BarcelonaFC Barcelona0′ → 90′00
6 May 2018FC Barcelona 2-2 Real Madrid CFFC Barcelona0′ → 90′10
2 Apr 2019Villarreal CF 4-4 FC BarcelonaFC Barcelona↑ 61′ → 90′10
2 Nov 2019Levante UD 3-1 FC BarcelonaFC Barcelona0′ → 90′00
18 Dec 2019FC Barcelona 0-0 Real Madrid CFFC Barcelona0′ → 90′00
30 Jun 2020FC Barcelona 2-2 Atlético MadridFC Barcelona0′ → 90′10
31 Oct 2020Deportivo Alavés 1-1 FC BarcelonaFC Barcelona0′ → 90′10
19 Dec 2020FC Barcelona 2-2 Valencia CFFC Barcelona0′ → 90′00
27 Feb 2021Sevilla FC 0-2 FC BarcelonaFC Barcelona0′ → 90′10

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

Lionel Messi with other referees

  • Undiano Mallenco33 matches
  • Mateu Lahoz32 matches
  • David Fernández Borbalán30 matches
  • Del Cerro Grande24 matches
  • Carlos Clos Gómez20 matches
  • Gil Manzano19 matches
  • González González19 matches
  • Fernando Teixeira Vitienes19 matches
  • Martínez Munuera18 matches
  • Pérez Lasa17 matches
  • Carlos Velasco Carballo17 matches
  • César Muñiz Fernández16 matches
  • Ricardo de Burgos15 matches
  • Iturralde González14 matches
  • Sánchez Martínez14 matches
  • Delgado Ferreiro13 matches
  • Iglesias Villanueva13 matches
  • Ayza Gámez11 matches
  • Jaime Latre10 matches
  • Munuera Montero10 matches
  • Javier Turienzo Álvarez10 matches