The sign that Arsenal could be ready for a title push?

After a hugely encouraging last Premier League outing in Leicester, Arsenal find themselves in bad need of a tonic less than a week later.

A disastrous home defeat to Olympiacos in the Champions League has heaped the pressure on the squad, although if we are to believe Jose Mourinho, not on their manager.

Either way, the Gunners have a huge amount of work to do to make the knockout stages but Wenger must now turn his attention to the small matter of entertaining table-topping Manchester United at the weekend.

Despite the mid-week horror show, Arsenal fans can take some positives from the week gone by.

Last season’s talisman Alexis Sanchez was on target against the Greeks, which means, added to his sublime hat-trick at Leicester, he has four goals in two games. How Wenger must welcome the timing of this Sanchez-sized shot in the arm.

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Last term’s player of the year is exactly what the North London side need to inject some life into what has so far been a stop-start campaign. The return to form of the Chilean will be vital to Arsenal’s fortunes over the coming months, not least their chances of beating United on Sunday.

Should they manage to overturn Louis Van Gaal’s men, the Gunners could find themselves jostling for top spot despite their indifferent start.

For what seems like an eternity, Arsenal, often blighted by early season injuries, have been all too slow out of the blocks in the Premier League and have left themselves with too much ground to make up – even with their customary springtime charge.

With Sanchez firing though and none of their rivals yet to take control of the title race, they have every chance of bringing the trophy to North London for the first time since 2004.

The impact of Sanchez on the side cannot be understated. He hit 25 goals last term; almost the classic striker’s target ratio of 1 in 2, while often playing in a deeper or wide position.

It is not just goals the little Chilean brings. He creates things from nothing, changes games and generally converts draws into wins or defeats into draws, when his club need him most.

He is the ultimate talisman, what Aguero is to Manchester City, or what Hazard is to Chelsea. Last season he created a staggering 71 opportunities either for himself or a team-mate from open play.

In Europe, with a double header against Bayern Munich and the seemingly unstoppable Robert Lewandowski up next, the Emirates stadium outfit face a daunting task to haul themselves into the Champions League knockout stages.

An on-form Sanchez will give them every chance but if Arsenal do fail to progress, there could be more silver lining attached. An early exit would leave Wenger’s troops free to concentrate on a sustained title push in a league that, at the moment seems there for the taking.

There are of course, other players within the squad that will be key to success and Wenger seems to face an ongoing battle to keep his stars off the treatment table.

It seems that Theo Walcott and Sanchez have the potential to be a highly potent duo and there are signs of a good understanding developing between the pair. Either way, a successful season is a must to appease a fan base who were extremely disgruntled not to see further recruitment in the summer.

It is also imperative as Alexis Sanchez is a player who is far too good to content himself with runners up medals. While the diminutive 26 year old is key to success, there is a lingering feeling that his staying at the club depends on it.