Sebastian Haller scored at booths ends as Ajax were held to a 2-2 draw by Benfica in the Champions League last-16 first leg fixture at Estadio da Luz on Wednesday.
Bayern Munich defeated Benfica 5-2 at Allianz Arena on Tuesday to qualify for the round of 16 of Champions League with two games to spare.
Barcelona suffered their second consecutive 3-0 defeat in the Champions League group stage after being demolished by Benfica in Lisbon on Wednesday.
An excellent debut campaign at Etihad last time around saw the Portuguese player being voted as the Premier League Player of the Season.
Benfica, Young Boys and Malmo have booked their places in the Champions League group stage following a thrilling night of playoff matches
Arsenal have signed Portugal U21 defender Nuno Tavares from Benfica, resulting in a massive upgrade in the defensive department.
Striker Paulinho struck the only goal of the game as Ruben Amorim's side saw out the win to claim the club's 19th league title.