VILLARREAL, SPAIN - APRIL 29: Pierre-Emerick Aubameyang of Arsenal is shown a yellow card by the match referee Artur Dias during the UEFA Europa League Semi-final First Leg match between Villareal CF and Arsenal at Estadio de la Ceramica on April 29, 2021 in Villarreal, Spain. Sporting stadiums around Europe 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. (Photo by David Ramos/Getty Images)
