Europa league
Manchester United scramble for answers after Champions League exit
United now have to contemplate an unwanted run in the Europa League, Europe's second-tier competition, which they won in 2017.
Smarting from a 1-0 loss at home to Leicester at the weekend, the Gunners host Irish side Dundalk in their second Group B fixture following a come-from-behind victory in Austria in their opening match.
Julen Lopetegui was sacked as Spain boss days before the start of the 2018 World Cup for accepting the role as Madrid coach and then also fired by Real just four months later.
Danilo D'Ambrosio was also on target for the Italian giants, who will face Sevilla in Friday's final in Cologne.
Manchester United have little time to dwell on a third semifinal defeat of a 13-month season after Ole Gunnar Solskjaer admitted they let Sevilla 'off the hook' to miss out on Friday's Europa League final.
Ajax, Celtic, Benfica and Porto went out but Manchester United hardly broke sweat after Simon Deli of Brugge conceded a penalty and earned a red card in the 23rd minute at Old Trafford.
United never looked like scoring for most of the evening on the plastic surface of the Kyocera Stadium in The Hague and failed to produce one effort on target.
Henrikh Mkhitaryan's well-being was a concern for Arsenal due to the tense political dispute between Armenia and final hosts Azerbaijan.
Underdogs Frankfurt held Chelsea to a 1-1 draw at home in last week's first leg, but face a fight against the odds at Stamford Bridge if they are to make a first European final in 39 years.
The north London club urged fans to be vigilant and report any such problems with racism directly.
Sunday’s match is Chelsea’s ninth in 28 days and manager Maurizio Sarri said their participation in the Europa League had forced him to rotate his squad.
Chelsea were by far the better side at Stamford Bridge but it was not until Callum Hudson-Odoi scored a third goal in stoppage time that the scoreline fully reflected their dominance.
Sala died when the plane he was on crashed in the English Channel last month.
Gennaro Gattuso said the seven-times European champions simply went to pieces after missing their chances.
Welbeck, often used as a backup striker by manager Unai Emery, underwent two operations after suffering a broken ankle against Sporting Lisbon in the Europa League earlier this month.
The Gunners are top of Group E having won all three of their matches so far, and have looked revitalised in the early stages of the post-Arsene Wenger era.
Unai Emery side notched their 11th win in a row on Thursday as Danny Welbeck's late strike sealed a 1-0 success at Sporting Lisbon in the Europa League.
Aubameyang has struggled to hit top gear in the Premier League so far with just one goal in five starts, but the Gabon striker opened the scoring in London after 32 minutes of the Group E encounter.
UEFA said last month that AC Milan did not meet a break-even requirement under its Financial Fair Play regulations.