The Spaniard won the Europa League for three years running as Sevilla coach and is the most successful coach in the competition's history.
And the UEFA Europa League draw indeed presented some exciting fixtures in the quarterfinal stage.
Gabon worldwide Aubameyang opened the scoring in the fifth minute then settled nerves at Emirates Stadium with the Gunners' third goal in the second half.
"The Champions League is very important but the Europa League grew up a lot and now is giving every team the possibility to play in the Champions League", he said.
"It's also because it's one title and I think we can feel the possibility to win one title, doing this way with a hard moment like today and playing also against big teams".
Messi leads demolition of Lyon to take Barca to Champions League quarters
The 31-year-old has set up 12 goals this season, with Chelsea's Eden Hazard following closely behind with 11 assists to his name. It will be interesting to see whom the Blaugrana side face.
For the first time since 1971, England have six clubs in the quarter-finals of major European club competitions, with Tottenham, Manchester United, Manchester City and Liverpool doing so in the Champions League, while Chelsea and the Gunners did likewise in the Europa League.
"And create with our supporters a big atmosphere".
Having saved the day for the Gunners, Aubameyang saw it fit to masquerade in a hero's outfit and went ahead to put on a mask of popular Marvel superhero Black Panther.
"I needed a mask which represents me and that's the Black Panther". "Black Panther.in Africa and Gabon we are called the Black Panthers so it represents me - that's it".
Despite going up 2 goals early, the match was never truly secure for Arsenal, who are always prone to defensive mistakes. "And the last teams, they are all very important, and it's going to be very hard", Emery said.