Atletico Madrid's Saul Niguez celebrates scoring their first goal with Koke and Alvaro Morata during the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Champions League holders Liverpool will need to summon another famous European comeback at Anfield next month after they were beaten 1-0 away to Atletico Madrid in their last-16 first leg on Tuesday. REUTERS/Juan Medina

Atletico Madrid's Saul Niguez celebrates scoring their first goal with teammates during the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Spain midfielder Saul Niguez struck the only goal of the game in the fourth minute by bundling into the net from close range following a corner, their traditional weapon of choice in recent years. REUTERS/Susana Vera

Atletico Madrid's Saul Niguez celebrates scoring their first goal with teammates during the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Liverpool, who have won 25 of 26 Premier League games this season and are on course for a record-smashing title win, missed a series of chances to equalise in the second half, with Mohamed Salah and captain Jordan Henderson coming closest to scoring. REUTERS/Susana Vera

Atletico Madrid's Koke in action with Liverpool's Trent Alexander-Arnold during the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Champions League holders Liverpool will need to summon another famous European comeback at Anfield next month after they were beaten 1-0 away to Atletico Madrid in their last-16 first leg on Tuesday. REUTERS/Susana Vera

Liverpool's Mohamed Salah in action with Atletico Madrid's Koke and Saul Niguez during the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Spain midfielder Saul Niguez struck the only goal of the game in the fourth minute by bundling into the net from close range following a corner, their traditional weapon of choice in recent years. REUTERS/Susana Vera

Atletico Madrid's Diego Costa, Mario Hermoso and teammates celebrate after the Champions League in Round of 16 First Leg match at Atletico Madrid and Liverpool at Wanda Metropolitano, Madrid, Spain, February 18, 2020. Liverpool, who have won 25 of 26 Premier League games this season and are on course for a record-smashing title win, missed a series of chances to equalise in the second half, with Mohamed Salah and captain Jordan Henderson coming closest to scoring. REUTERS/Juan Medina