AC Milan lost a 2-0 lead at the San Siro but found an injury time goal to earn a 3-2 win over Croatian champions Rijeka in the Europa League.
Everton's poor start in the Europa League continued as they were held to a 2-2 draw at Goodison Park by Cypriot outfit Apollon Limassol, who finished the game with 10 men.
Arsenal came from behind to beat Cologne in their delayed Europa League opener against a backdrop of crowd trouble at the Emirates Stadium.
Everton produced another hugely disappointing display as they were beaten 3-0 by Atalanta in their Europa League Group E opener in Reggio Emilia.
Andre Silva scored a hat trick as AC Milan eased to a 5-1 victory over Austria Vienna in their Europa League group-stage opener.
Arsenal have been drawn alongside BATE Borisov, Cologne and Red Star Belgrade in the Europa League group stage.
AC Milan eased into the Europa League group stage with a 1-0 win over Shkendija on Thursday, though the result was in little doubt after the Rossoneri won the first leg 6-0 a week ago.
Gylfi Sigurdsson marked his first Everton start with a spectacular goal to help put Ronald Koeman's side into the group stages of the Europa League after a 1-1 away draw with Hajduk Split.
Everton play Croatian side Hajduk Split in the Europa League playoff round, while AC Milan have been drawn against Macedonian side Shkendija.
AC Milan are through to the Europa League playoff round after beating Universitatea Craiova 3-0 on aggregate following a 2-0 second-leg win in the third qualifying round on Thursday.
Dominic Calvert-Lewin's calm finish kept Everton's bid for Europa League qualification on course as Ronald Koeman's men edged MFK Ruzomberok 1-0 in Slovakia.
AC Milan's offseason spending spree paid a quick dividend when new signing Ricardo Rodriguez scored in a 1-0 win at CSU Craiova.
Wayne Rooney's Everton return threatened to turn into embarrassment before captain Leighton Baines struck to give his side a slender first-leg lead in their Europa League third qualifying round clash with Ruzemberok.
Ajax manager Peter Bosz was left unimpressed by Jose Mourinho's Manchester United in the wake of the Premier League side's 2-0 Europa League final triumph on Wednesday, though he admitted his side were deserved losers on the night.
Ander Herrera has admitted it was difficult for the Manchester United players to train in the build up to the Europa League final after the terrorist attack that devastated Manchester on Monday.
Jose Mourinho has labelled Manchester United's Europa League triumph as "the most important trophy" of his career, while adding he was happy to call time on a season that was perhaps his most difficult as a manager.
Manchester United pulled together in their city's time of darkness, showing no little skill and spirit to overcome Ajax and win the Europa League.
Ajax secured a place in their first European final for 21 years after surviving a huge scare in Lyon.
Manchester United are just one win away from Champions League qualification after booking their place in the Europa League final with a 1-1 draw on the night and 2-1 aggregate victory over Celta Vigo.
Marcus Rashford's splendid free kick secured Manchester United a hard-fought win at Celta Vigo to edge Jose Mourinho's men closer to the Europa League final.
Bertrand Traore scored twice as Ajax ran out comprehensive 4-1 winners in a pulsating Europa League semifinal first-leg clash against Lyon at Amsterdam Arena.
Manchester United will play Celta Vigo in the Europa League semifinals, with Ajax playing Lyon in the other tie.
Marcus Rashford sent Manchester United into the Europa League semifinals after Anderlecht took Jose Mourinho's side to extra-time in a breathless encounter.
Ten-man Ajax booked their place in the semifinals of the Europa League after a 4-3 aggregate win against Schalke.
Pione Sisto's solo goal sealed Celta Vigo's place in the Europa League semifinals as the Spaniards edged out Genk.
Lyon booked their place in the Europa League semifinals following a 7-6 sudden-death penalty shootout victory against Besiktas on Thursday night.
Celta Vigo recovered from an early deficit to claim a 3-2 win from the first leg of their Europa League quarterfinal against Genk at Balaidos.
Ajax are in pole position to reach the semifinals of the Europa League after claiming a dominant 2-0 victory over Schalke in the first leg of their last-eight clash.
Jeremy Morel sealed Lyon's last-gasp comeback in a dramatic Europa League quarter-final first leg tie with Besiktas, which had risked being postponed due to crowd disturbances.
Henrikh Mkhitaryan struck on Manchester United's Europa League travels yet again, but Leander Dendoncker's late header leaves the quarterfinal clash with Anderlecht finely-poised.
Arsenal will play Russian club CSKA Moscow in the quarterfinals as they look to win the Europa League for the first time and seal a place in next season's Champions League.
Danny Welbeck scored twice against AC Milan to toast his England recall by sending Arsenal into the last eight of the Europa League.
Fernando Torres scored twice as Europa League favourites Atletico Madrid hammered Lokomotiv Moscow 5-1 in Russia to advance to the quarterfinal stage.
Valon Berisha scored twice as Salzburg earned a 2-1 win away to Borussia Dortmund in the first leg of their Europa League round-of-16 tie on Thursday.
Arsenal eased to victory over AC Milan to move towards a place in the quarterfinals of the Europa League and end a run of four consecutive defeats in the process.
Atletico Madrid grabbed a sizable advantage over Lokomotiv Moscow by earning a 3-0 victory in the first leg of their Europa League round-of-16 clash on Thursday.
Celtic crashed out of the Europa League in calamitous style with a 3-0 defeat to Zenit St Petersburg in Russia.
Kevin Gameiro scored Atletico Madrid's only goal as a 1-0 win over Copenhagen was enough to advance from the Europa League round of 32 on the back of a big victory last week.
Serie A leaders Napoli were knocked out on away goals despite a 2-0 win away to RB Leipzig on Thursday.
Arsenal survived a major scare to secure their spot in the last 16 of the Europa League despite suffering an embarrassing 2-1 home defeat to Ostersund.
Borussia Dortmund made nervous work of their Europa League second leg against Atalanta in a 1-1 draw that saw the Bundesliga side reach the round of 16 courtesy of a 4-3 aggregate final.
Italian leaders Napoli suffered a surprise 3-1 home defeat at the hands of RB Leipzig as Timo Werner scored twice.
Celtic defeated Zenit St Petersburg 1-0 at Hampden Park in the first leg of their Europa League.
Michy Batshuayi scored twice, including a late winner, to rally Borussia Dortmund to a 3-2 win over Atalanta in their opening game of the Europe League knockout stage.
Arsenal made light work of sub-zero temperatures and an artificial pitch to secure a comfortable Europa League victory over Ostersunds.
Patrick Cutrone scored a glancing header and earned a penalty converted by Ricardo Rodriguez as Milan conquered Ludogorets 3-0 in Bulgaria.
Arsenal have been drawn against Swedish club Ostersunds FK in the Europa League round of 32, while Atletico Madrid take on Copenhagen.
Ademola Lookman's brace ensured a youthful Everton side did not miss Sam Allardyce's presence in Cyprus as they finished their woeful Europa League campaign with a victory.
AC Milan concluded their Europa League group stage with a 2-0 defeat at Croatian club Rijeka on Thursday.
Arsenal cruised to victory over BATE Borisov in their final Europa League group game as Arsene Wenger's fringe players made another case for Premier League involvement.
AC Milan booked their place in the Europa League's final 32 with a 5-1 win over Austria Vienna on Thursday night.
Arsenal failed to get the point they needed to guarantee topping Europa League Group H as Cologne beat them 1-0 in Germany -- but they finished first anyway as Red Star Belgrade and BATE Borisov drew 0-0.
Everton's season, like their search for a manager, continues to drift as an insipid display brought a 5-1 home Europa League home thrashing by Atalanta.
AC Milan were made to wait for confirmed qualification from the Europa League group stage after being held to a 0-0 draw in a mediocre game at AEK Athens.
Arsenal qualified from the Europa League group stage despite being held to a 0-0 home draw by Red Star Belgrade, with rivals BATE Borisov being thrashed 5-2 in Cologne.
Managerless Everton crashed out of the Europa League with two Group E games left to play as they were beaten 3-0 at Lyon.
Mario Balotelli gave Nice an early lead but it was not enough to prevent Lazio from emerging convincing 3-1 winners at the Stade de Nice.
Everton boss Ronald Koeman was forced to endure more disappointment as Lyon consigned his side to an ill-tempered defeat and more Europa League misery.
Olivier Giroud scored a stunning winner as a much-changed Arsenal side saw off 10-man Red Star Belgrade in their Europa League clash.
Theo Walcott scored twice and Olivier Giroud notched his 100th Arsenal goal as the Londoners secured a second successive Europa League win, triumphing 4-2 at BATE Borisov.