Arsenal have been handed a tough draw in the last 16 of the Europa League.
The Gunners will go up against AC Milan for a place in the quarter finals of the competition.
The sides have played six times in UEFA club competitions, claiming 2 wins each, with the remainder ending in draws.
Their most recent meeting came in the 2012 Champions League, with Arsenal falling to a 4-3 aggregate loss in the round of 16.
Celtic's conquerors Zenit St. Petersburg will face RB Leipzig.
The rest of the last 16 line up looks like this:
Lazio v Dynamo Kiev
Atletico Madrid v Lokomotiv Moscow
CSKA v Lyon
Marseille v Athletic Bilbao
Sporting Lisbon v Viktoria Plzen
Borussia Dortmund v FC Salzburgurg