The competition’s top scorer capped a 5-2 aggregate win over Shakhtar Donetsk.

Sarr scored after just 21 seconds against Shakhtar to help put Palace in the driving seat.

Srna’s team face Crystal Palace in Poland in the first leg of their European tie on Thursday.

Arsenal hosted Shakhtar just 72 hours after playing one hour with 10 men in their 2-0 defeat at the Cherries, with Liverpool up next at the Emirates.