Aaron Ramsey scored midway through the first half to quash any chance of a Fenerbahce comeback and then he wrapped up the win when he scored his second of the game 18 minutes from time.
Ramsey dominated the midfield again tonight, so his departure in the last few minutes with an apparent injury has to worry Arsenal fans, especially with the North London derby this weekend. If Ramsey misses the Spurs game, Arsene Wenger will be forced to go with Wilshere, Rosicky and Cazorla in midfield. That trio worries me, as they are a little light, and Spurs have added some size and power to their midfield this summer.
One player that is certain to miss the Spurs game is Lukas Podolski, who was stretchered off at the start of the second half with an apparent hamstring injury and is expected to be out for at least 3 weeks.
Jack Wilshere started at the expense of Tomas Rosicky after being rested on the bench for Saturday’s 3-1 victory over Fulham and Nacho Monreal replaced Kieran Gibbs at left-back.
There were worrying moments late in the game as Wilshere went down clutching his ankle – he has undergone repeated surgeries on the joint – and he was then viciously hacked down by Bruno Alves but he finished the game.
Fenerbahce make six changes to the team taken apart at the Sukru Saracoglu Stadium last Wednesday with striker Emmanuel Emenike selected ahead of Pierre Webo.
Arsenal’s start was lacklustre and after 12 minutes their defence was in a state of panic as Caner Erkin swept unchallenged into their area.
Carl Jenkinson arrived to break up play but the ball squirted to Raul Meireles whose shot struck Bacary Sagna, once again operating as a makeshift centre-back, and found the arms of goalkeeper Wojciech Szczesny.
Santi Cazorla, Wilshere and Olivier Giroud combined to create a chance for the Frenchman that was sent wide and high.
Pressure was beginning to build on Fenerbahce with Wilshere and Podolski spending more time on the ball and it was the Germany international that provided the initial burst that led to Arsenal’s opener.
Podolski found Walcott running across the area and when he was tackled, the ball slipped to Ramsey who drilled home an easy finish.
Ramsey, who has enjoyed a strong start to the season, then sought to turn provider only for Giroud to direct his pass straight at goalkeeper Volkan Demirel.
Alves sent a Fenerbahce free-kick narrowly wide, but relief from the pressure was only brief as first Cazorla saw a shot deflected out of play and then Demirel flapped at a corner.
A powerful shot by Emenike was pushed onto the left post, but the first half should have finished with Arsenal pushing further head only for Giroud to miss a sitter.
Podolski lasted just five minutes of the second half before his hamstring injury struck, forcing him to make way for Kieran Gibbs.
Cazorla forced a fingertip save from Demirel with 25 minutes remaining but it had otherwise been a difficult spell for Arsenal as Fenerbahce enjoyed their strongest period.
The increasingly influential Spaniard then struck the crossbar, before the Gunners finally delivered a second.
Walcott found space down the left, sped into the area and picked out Ramsey who expertly steered the ball beyond the reach of Demirel to complete a comfortable win.