The Gunners have not won their past four European matches away and the Spaniard says a win in Lisbon will prove they belong in elite company.

Mikel Arteta has challenged his Arsenal team to find the missing ingredient in the Champions League and end their year-long run without a win on the road. Arsenal go into Tuesday’s match against Portuguese champions Sporting CP in 12th place in the league phase,

Mikel Arteta has urged Arsenal to be "ruthless" as they seek to end their poor away form in the Champions League when they face Sporting