Isidro Díaz de Mera Escuderos is a Spanish football referee born in Daimiel (Ciudad Real), Spain on 24 August 1989. He made his La Liga debut on 12 September 2020. He is part of the current top-flight refereeing pool in Spain and is regularly relevant for pre-match analysis, appointment previews and VAR-focused discussion.
In the 2025/26 La Liga season, Mera Escuderos has officiated 15 league matches, averaging 24.67 fouls, 0.27 penalties, 4.13 yellow cards and 0.60 red cards per game. Those numbers point to a strict and card-heavy profile, with one of the higher red-card rates in the league sample. For The VAR Verdict, that statistical snapshot helps readers understand the disciplinary threshold and general tone he has shown this season.
Historical coverage is selective. We only show seasons and competitions where our sources provide enough verified referee data, so some older seasons may not be available.
Athletic Club
1–1
Celta de Vigo
Real Betis Balompié
2–1
Elche CF
CA Osasuna
1–2
FC Barcelona
Sevilla FC
2–1
Club Atlético de Madrid
RCD Espanyol de Barcelona
1–2
Getafe CF
Celta de Vigo
1–2
Real Madrid CF
FC Barcelona
4–1
Villarreal CF
Mallorca
1–2
Real Betis Balompié
Real Madrid CF
2–1
Rayo Vallecano de Madrid
Getafe CF
0–1
Valencia CF
Elche CF
1–3
Villarreal CF
Sevilla FC
4–0
Oviedo
Athletic Club
1–1
Celta de Vigo
Real Betis Balompié
2–1
Elche CF
CA Osasuna
1–2
FC Barcelona
Sevilla FC
2–1
Club Atlético de Madrid
RCD Espanyol de Barcelona
1–2
Getafe CF
Celta de Vigo
1–2
Real Madrid CF
FC Barcelona
4–1
Villarreal CF
Mallorca
1–2
Real Betis Balompié
Real Madrid CF
2–1
Rayo Vallecano de Madrid
Getafe CF
0–1
Valencia CF
Elche CF
1–3
Villarreal CF
Sevilla FC
4–0
Oviedo
Celta de Vigo
0–1
RCD Espanyol de Barcelona
Elche CF
1–1
Real Sociedad de Fútbol
Athletic Club
0–1
Getafe CF
Levante UD
1–4
Real Madrid CF
Villarreal CF
2–1
CA Osasuna
Real Betis Balompié
1–2
Athletic Club
Sevilla FC
1–2
Getafe CF
Valladolid
0–1
Deportivo Alavés
Historical coverage is selective. Only seasons with sufficient verified referee data are shown; some competitions and older seasons are intentionally unavailable when coverage is incomplete.
VAR event counts describe provider-coded incidents. They do not represent The VAR Verdict's editorial judgment on whether a decision was correct or incorrect.
