When Arsenal face Sporting in their Champions League quarter-final first leg on Wednesday, there will be much more riding on the game than just a knockout match in Lisbon.

For many, this is where the Gunners need to show back-to-back defeats, against Manchester City in the Carabao Cup final and the damaging loss to Southampton in the FA Cup quarter-final, will not leak into their European and Premier League campaigns.

Arsenal have been tagged as the 'nearly men' under Mikel Arteta with three successive second-placed finishes in the Premier League in the last three seasons.

But the Gunners have played a ruthless style of football this season, which has seen them establish a nine-point lead in the Premier League, reach the final of one cup competition and, depending what happens in two legs against Sporting, at least the quarter-final stage of the two other cup campaigns they began.

Their style of play has been questioned at times but now it is the team's mentality that is coming under the spotlight.

The Gunners have been so impressive this season that their defeats by City and Saints are the first time they have...