Christian Pulisic of Chelsea and Chancel Mbemba of Porto compete for the ball during the UEFA Champions League Quarter Final Second Leg match between Chelsea FC and FC Porto at Estadio Ramon Sanchez Pizjuan on April 13, 2021 in Seville, Spain. Sporting stadiums around Spain remain under strict restrictions due to the Coronavirus Pandemic as Government social distancing laws prohibit fans inside venues resulting in games being played behind closed doors. Chelsea FC v Porto - UEFA Champions League Quarter Final: Leg Two, Seville, Spain - 13 Apr 2021,Image: 605285372, License: Rights-managed, Restrictions: Editorial Use Only, Model Release: no