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.
Manchester City's goalkeeper Ederson appears set to sit out the pivotal title showdown against Arsenal later this month following a thigh injury sustained during the match against Liverpool.
Mikel Arteta urged his players to control their emotions when they host Porto on Wednesday as he looks to guide Arsenal into the Champions League quarter-finals.
Kai Havertz described his late header securing victory against Brentford, which propelled Arsenal to the top of the Premier League as another "dream" moment.
Arsenal moved into first place in the Premier League with a 2-1 win over Brentford, thanks to a late winner from Kai Havertz at the Emirates Stadium.
Mikel Arteta said it was a great honour to be awarded the Premier League's manager of the month award for February.