LISBON, PORTUGAL - OCTOBER 25: Unai Emery of Arsenal gestures during the UEFA Europa League - Group E match between Sporting CP and Arsenal at Estadio Jose Alvalade on October 25, 2018 in Lisbon, Portugal. (Photo by Gualter Fatia/Getty Images)
LISBON, PORTUGAL - OCTOBER 25: Unai Emery of Arsenal gestures during the UEFA Europa League - Group E match between Sporting CP and Arsenal at Estadio Jose Alvalade on October 25, 2018 in Lisbon, Portugal. (Photo by Gualter Fatia/Getty Images)