The Champions League semi-final was perhaps the most controversial of the four, with the expulsion of Pepe in the first leg at the Santiago Bernabéu, after an alleged "dangerous challenge" to Barça defender Dani Alves.
Semifinal Liga Champions adalah mungkin yang paling kontroversial dari empat pertandingan, dengan pengusiran Pepe pada leg pertama di Santiago Bernabéu, setelah diduga "tantangan berbahaya" untuk bek Barcelona Daniel Alves.