Ramsey slots home second from Ozil through ball
Mkhitaryan's first goal for Arsenal with shot across keeper
Return leg takes place in London on 15 March
Thanks for joining me today for coverage of eight different Europa League games.
Our main focus obviously was AC Milan v Arsenal, and you can read our match report of that game here.
Elsewhere, Paris St-Germain and Basel have been charged by Uefa over their fans' behaviour during their Champions League games this week.
Goodnight.
Marseille 3-1 Athletic Bilbao
It's all over at the Velodrome. An entertaining game sees Marseille deservedly take a two-goal lead to the Basque Country.
Marseille 3-1 Athletic Bilbao
Clinton N'Jie has a goal correctly ruled out for offside with seconds left.
Sporting Lisbon 2-0 Viktoria Plzen
Fredy Montero's double has put Sporting in a good position for the second leg in the Czech Republic.
RB Leipzig 2-1 Zenit St Petersburg
It's all over in Germany, it was looking like a great result for Leipzig until Zenit's late away goal.
Lazio 2-2 Dynamo Kiev
Lazio won't be too happy to have drawn this, conceding two away goals. A 0-0 or 1-1 draw in Ukraine would be enough for Dynamo to progress.
Into the final few minutes of these four games now.
RB Leipzig 2-1 Zenit St Petersburg
RB Leipzig striker Timo Werner has scored 17 goals and assisted four - including to Bruma for today's opener - in 34 games this season.
Domenico Criscito (86 mins)
An excellent curling free-kick from Domenico Criscito into the top corner gives Zenit a potential vital away goal in Germany.
Image source, ReutersLazio 2-2 Dynamo Kiev
Ciro Immobile has scored six goals in as many Europa League games for Lazio. He's scored 33 in 35 in all competitions this season.
Junior Moraes (79 mins)
An excellent Junior Moraes goal levels it up for Dynamo Kiev in Rome - their second away goal.
He gets the ball on the edge of the box, turns and his 20-yard shot swerves past Lazio keeper Thomas Strakosha.
Image source, ReutersTimo Werner (77 mins)
Liverpool-bound Naby Keita plays a ball through to Germany striker Timo Werner, who just lifts the ball over keeper Andrei Lunev.
Image source, ReutersAC Milan 0-2 Arsenal
Since the start of the 2015-16 campaign, Henrikh Mkhitaryan has been directly involved in more goals than any other midfielder in the Europa League (15 - nine goals and six assists).
Image source, Getty ImagesLazio 2-1 Dynamo Kiev
Each of Felipe Anderson's last seven goals have been scored at home.
Marseille 3-1 Athletic Bilbao
Marseille star Florian Thauvin goes off on a stretcher with what looked an innocuous-looking injury. Clinton N'Jie replaces him.
Felipe Anderson (62 mins)
Lazio go ahead, only 10 minutes after falling behind. Felipe Anderson converts Sergej Milinkovic-Savic's pass
Image source, ReutersLucas Ocampos (57 mins)
Marseille reestablish a two-goal lead and it's Lucas Ocampos' second. Dimitri Payet crosses from the right and it bounces its way across to Ocampos. He takes a first-time shot which squirms past Athletic keeper Iago Herrerin at his near post.
Image source, ReutersAC Milan 0-2 Arsenal
Arsenal midfielder Mesut Ozil has been directly involved in 100 goals in 189 appearances for Arsenal (37 goals and 63 assists).
Bruma (56 mins)
RB Leipzig have been knocking on the door all game and they deservedly lead. Bruma picks up the ball in the box before just guiding one past the keeper.
Image source, ReutersCiro Immobile (54 mins)
... but it doesn't last long as Ciro Immobile bags his 33rd goal of the season to cap off a good team passing move.
Image source, Reuters