Manchester United were drawn against Belgian side Club Brugge in the Europa League round of 32, while Arsenal will meet Olympiakos.
The Europa League is a reminder of how far Man United have fallen, but it's providing an opportunity for the club's youth to build it back up again.
"We're looking to strengthen in many positions," said Manchester United manager Ole Gunnar Solskjaer said after their Europa League win.
An 11-minute span with four goals helped lift Manchester United in a match where they capitalised on an offensive rhythm and a composed defence.
Two second-half goals from Mason Greenwood helped Manchester United to a 4-0 group-topping win over AZ Alkmaar in the Europa League on Thursday.
Arsenal were 2-0 down late at Standard Liege but a goal and an assist from Bukayo Saka earned Arsenal a draw and saw them advance as group winners.
Bukayo Saka helped Arsenal to a 2-2 draw with Standard Liege that sees them top their Europa League group and advance to the round of 32.
Arsenal and Manchester United will find out their opponents in the Europa League's round of 32 on Monday, with the seedings now confirmed.
Arsenal defender Kieran Tierney faces a spell on the sidelines after dislocating his right shoulder with reports that he'll miss up to three months.
Paul Pogba still has a key role to play for Manchester United this season once he returns from injury, Ole Gunnar Solskjaer has said.
Senior figures at Arsenal are reviewing the position of Unai Emery, and he could be sacked before Sunday's trip to Norwich, sources have told ESPN.
Arsenal's winless run reached seven games, as Eintracht Frankfurt turned around a 1-0 deficit to win 2-1 and put Unai Emery's future in real doubt.
Arsenal endured more home misery as they suffered a 2-1 to Eintracht Frankfurt in the Europa League on Thursday.
Granit Xhaka will make his first Arsenal start for a month in their Europa League clash against Eintracht Frankfurt at the Emirates on Thursday.
Jesse Lingard had spearheaded United's youngest-ever side in a European match at Astana but Tahith Chong's miss led to a shock win for the hosts.
Manchester United's youngsters fell to shock 2-1 defeat away to Kazakhstan side Astana in their Europa League clash on Thursday.
Here's when the draw for the round of 32 of the Europa League will happen and the other key dates.
Manchester United's trip to Astana has seen the hosts receive over 300,000 ticket applications, 10 times more than the venue's capacity.
Man Utd have included 19-year-old defender Max Taylor in their Europa League squad just 12 months after having chemotheraphy for testicular cancer.
UEFA has fined Copenhagen €70,000 ($77,000) for incidents at a Europa League game against Malmo, including an "illicit" burning Smurf banner.
Manchester United players have been told not to go outside for more than 10 minutes at a time when they travel to Astana, due to cold conditions.
Ole Gunnar Solskjaer said Manchester United fans saw the "template" for how he wants his team to play against Partizan Belgrade.
Man United clinched a place in the Europa League's last-32, as Mason Greenwood, Anthony Martial and Marcus Rashford all scored vs. Partizan.
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