Arsenal have suffered an injury setback after the injury to Real Madrid loanee Dani Ceballos during the Europa League game with Vitoria Guimares FC of Portugal on Wednesday evening.
Dani Ceballos is on a season-long loan deal at Arsenal from Spanish giants Real Madrid having joined the Gunners on loan in the summer.
The young Spanish international has made 15 appearances for Arsenal this season in all competitions.
His only goal came in the Europa League during the 4-0 win over Standard Liege at home on Matchday Two.
Dani Ceballos was subbed off with a hamstring injury during the game against Vitoria Guimares.
Young French midfielder Matteo Guendouzi replaced him during the second half of the game which ended in a share of the spoils.
Both teams could only play out a 1-1 draw in their Matchday Four clash.
After a goalless affair in the first half dominated by chances for hosts Vitoria Guimares, Arsenal shot into the lead in the final ten minutes of the game through German World Cup winner Shkrodan Mustafi off a well taken free-kick from Nicholas Pepe.
Arsenal were unable to hold on to that lead as the hosts score a last gasp equaliser through the impressive Bruno Duarte.