The former U17 World Cup winner was brought on for his first taste of senior football as the hosts chased a win against Steven Gerrard's men
The winger went off towards the end of the game clutching his shoulder but the coach does not expect it to be severe
The Gunners began their Europa League campaign in style with a 4-2 win over the Ukranian outfit at the Emirates Stadium
Gennaro Gattuso's AC Milan have started their Europa League campaign with a win, but they were not impressive at Dudelange.
Arsenal saw off Vorskla in the Europa League thanks to goals from Danny Welbeck, Mesut Ozil and a Pierre-Emerick Aubameyang brace.
Leigh Griffiths came off the bench to net a late winner as Celtic saw off Rosenborg 1-0 in their Europa League Group B encounter.