Super sub Harry Maguire's stoppage-time header rescued Manchester United in a thrilling 3-3 Europa League draw with Porto, easing pressure on coach Erik ten Hag.
Arsenal midfielder Fabio Vieira has joined Portuguese giants Porto on a season-long loan.
David Raya saved two penalties as Arsenal beat Porto 4-2 in a shoot-out to reach their first Champions League quarter-final in 14 years.
Declan Rice admits Arsenal need more experience in the Champions League after a disappointing defeat at Porto on Wednesday.
Mikel Arteta bemoaned a lack of aggression from his Arsenal side in the Champions League defeat at Porto.
Arsenal's aspirations to advance to the Champions League quarter-finals for the first time in 14 years were dealt a blow as they endured a heartbreaking last-minute loss in the opening leg of their last 16 encounter against Porto.