The English outfit topped a group that contained Vidi, BATE Borisov and PAOK to progress to the knockout stages. In the Europa League Round of 32, they routed Malmo 5-1 on aggregate before thumping Dynamo Kyiv in the Round of 16, 8-0 on aggregate.
Sarri's team has found it easy to score goals galore in the Europa League, clocking 25 goals so far.
Olivier Giroud has been the standout performer up front for them with nine goals to his name while Callum Hudson-Odoi has scored four goals.
They now gear up to face Slavia Prague in the quarter-final.