Arsenal will face Atletico Madrid later this month in their first appearance in the Europa League semifinals since 2000.
Marseille stunned RB Leipzig 4-2 in a thrilling Europa League quarterfinal second leg at the Orange Velodrome on Thursday evening to secure a 5-3 aggregate victory.
Red Bull Salzburg came from behind to earn a stunning 4-1 victory that secured an unlikely Europa League semifinal berth at the expense of Lazio.
Arsenal edged into the semifinals of the Europa League, but only after surviving a major scare as CSKA Moscow threatened a memorable comeback.
Atletico Madrid overcame a scare to see off the challenge of a fired-up Sporting Lisbon and book their place in the semifinals of the Europa League.
Aaron Ramsey and Alexandre Lacazette each scored twice as Mesut Ozil put on a Europa League masterclass to overwhelm CSKA Moscow and all but book Arsenal's place in the semifinals.
Timo Werner pounced in first-half injury time as RB Leipzig edged the first leg of their quarter-final against Marseille.
Two goals in two second-half minutes helped Lazio beat Salzburg 4-2 and take control of their Europa League quarter-final.
Koke scored after 23 seconds to set Atletico Madrid on their way to a routine 2-0 win over Sporting Lisbon in the first leg of their Europa League quarterfinal.
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 will face Belarusian side BATE Borisov in the Europa League round of 32, while Chelsea have been drawn against Sweden's Malmo.
Alexandre Lacazette's first-half goal gave Arsenal a 1-0 win over FK Qarabag in Europa League Group E action on Thursday.
Olympiakos pulled off a stunning 3-1 Europa League win over AC Milan that put them into the round of 32 and sent the Italians crashing out as the remaining places in the knockout stage were decided on Thursday.
Table-toppers Chelsea drew 2-2 at Vidi in their final Group L in the Europa League on Thursday.
Chelsea made it five wins in five tries in the Europa League with a convincing 4-0 win against 10-man PAOK at Stamford Bridge on Thursday.
Arsenal maintained their three-point lead atop Europa League Group E on Thursday with a 3-0 win against Vorskla.
AC Milan came from behind before stepping on the gas to pull away from F91 Dudelange for a 5-2 Europa League win on Thursday.
Arsenal qualified for the Europa League knockout stage with a 0-0 draw against Sporting at The Emirates, although striker Danny Welbeck was carried off on a stretcher in the first half with a serious ankle injury.
AC Milan and Real Betis took a step towards qualifying for the Europa League knockout stage with a 1-1 draw in Group F on Thursday.
Olivier Giroud ended his drought by scoring the only goal as Chelsea won 1-0 at BATE Borisov on Thursday to clinch a place in the knockout stage of the Europa League with two group games to spare.
Arsenal and Chelsea were among seven teams to reach the Europa League knockout stage on Thursday, while last year's runners-up Olympique de Marseille were eliminated at the group phase.
Ruben Loftus-Cheek scored three goals as Chelsea dispatched BATE Borisov 3-1 in Europa League action on Thursday.
Real Betis stunned AC Milan with a 2-1 win at the San Siro in Europa League group play on Thursday.
Danny Welbeck's goal in the 77th minute was enough for Arsenal to get a 1-0 win over Sporting CP in Europa League action on Thursday.
Sevilla suffered a shock defeat by Russians Krasnodar, going down 2-1 in Europa League Group J.
Ten-man Celtic threw away an early lead to succumb to a 3-1 defeat to Red Bull Salzburg in Austria.
Alvaro Morata provided the lone goal in Chelsea's 1-0 win over Vidi in Europa League group-stage action on Thursday.
Emile Smith Rowe scored his first career goal in Arsenal's 3-0 win over FK Qarabag in Europa League group-stage action on Thursday.
Substitute Patrick Cutrone netted twice in nine minutes to lift AC Milan to a 3-1 comeback win at home to Olympiakos in Europa League group-stage action.
Arsenal's superb form continued into the Europa League as they thrashed Ukrainian side Vorksla Poltava 4-2 on Thursday.
Gonzalo Higuain's deflected effort in the 59th minute sealed a 1-0 victory for AC Milan over Luxembourg side F91 Dudelange on Thursday night in Europa League action.
Chelsea's Europa League campaign kicked off in style with a 1-0 win at PAOK Salonika on Thursday.
Leigh Griffiths made the difference for Celtic in their Europa League opener, coming off the bench to score a late winner against Rosenborg.
Burnley's European adventure came to an end on Friday as the Premier League side crashed out of the Europa League playoff round with a 1-1 draw against Olympiakos.
Celtic were held to a 1-1 draw by Lithuanian side Suduva Marijampole in the first leg of their Europa League play-off at the ARVI Futbolo Arena.
Antoine Griezmann struck twice as Atletico Madrid powered past Marseille to lift their third Europa League title in nine years.
Atletico Madrid advanced to the Europe League final 2-1 on aggregate after a 1-0 victory over Arsenal at the Wanda Metropolitano on Thursday.
Marseille scored a dramatic extra-time decider against Red Bull Salzburg to earn a Europa League final showdown with Atletico Madrid in Lyon on May 16.
If Arsene Wenger's Arsenal finale is to be a Europa League final in Lyon his side will have to do it the hard way after surrendering a well-deserved lead to draw against 10-man Atletico Madrid in the first leg of their semi-final.
Florian Thauvin put Marseille within touching distance of a place in the UEFA Europa League final with a controversial opener as his side beat Red Bull Salzburg 2-0 at the Stade Velodrome.