A football manager has a very limited time to steer the ship at a big club in Europe. Brendan Rodgers proved that when he failed to win more than one game in his six most recent fixtures.
His former competitor Jose Mourinho is next up on the chopping block of Premier League managers and could be the second sacked boss before the middle of October.
Mourinho's Chelsea have had a brilliant two seasons since the Portuguese tactician's second stint at Stamford Bridge.
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A domestic double in 2014-15 was exactly what Roman Abramovich had asked for, but Jose's team has now lost four of its first eight games.
If the Portuguese tactician is given the opportunity to right the ship over the course of the season, what does his team need?
An Injection Of Youth
The Chelsea attack has included two or three new players in different positions this year, but their defence has not been given enough support and it has killed the Blues. John Terry and Branislav Ivanovic both started 38 games each for Chelsea last year, and both of them have looked fatigued over and over in the back.
Ivanovic's ability to go up and down with the attack has faded away and he was regularly undone on the counter-attack in their losses to Manchester City and Southampton.
Terry has been rotated for Kurt Zouma and the young Frenchman performed brilliantly in their win against Arsenal. There has, in fact, been three new defensive arrivals in the past two summer windows. However, the back line remained unchanged for almost the entire season and the new players have not earned their chance.
What the Blues need is for Mourinho to give Baba Rahman, Kurt Zouma and Papy Djilobodji a chance. Pundits have doubted Djilobodji's talent as a centre-back, but Zouma and Rahman are undoubted top prospects.
Not only do the younger need to be rotated in, but the old Chelsea back=line needs a rest. Cesar Azpilicueta has proven himself on both sides of the defence, and having the Spaniard at right-back would give Ivanovic a rest and Rahman some valuable time in the first eleven.
A New Striker in January
Loic Remy and Radamel Falcao both look devoid of confidence so far, and Diego Costa is one of the most out of form strikers in Europe right now. Four of their twelve goals have come from Willian, who has scored three free kick goals - two of which were accidental. Their attacking midfielders are the ones who have been under the cosh for not giving enough support to the strikers, but the team looks disjointed as a whole in their possession of the ball.
When Pedro and Eden Hazard were put on the wings for their first match together against West Brom, the two looked like they were going to work excellently and Diego Costa looked like the perfect target man. The three of them have combined for two goals all season, which is one-sixth of the Blues' total goal output.
As we can see, Falcao is not the player he was in 2011-12 when he annihilated Chelsea in the European Super Cup. His first touch looks nothing like it used to, and he has not earned enough of a run in the first team for him to prove himself as a goalscorer. Loic Remy has been useful at times for the Blues since arriving from Newcastle, but he is nowhere near what they need if they want to compete in multiple competitions.
Jose Mourinho has taken two risks on two strikers that might have rediscovered their form in another world. However, neither of them panned out, thus he is left with Diego Costa as his only other option. Costa has become far too physical for his own good and is not making the same runs on a regular basis. The Spanish forward receives passes that he can run onto, and then run with the ball. Last season, he scored so many goals from one and two-touch play; now he is trying to shift into a complete forward, which is not his position.
What is really needed is another arrival in the January window that will truly bolster their striking options. Hypothetically it could be a young striker who had proved himself in another competitive European league, but only the best strikers are worth being shopped for. Two potential buys are Alvaro Morata and Alexandre Lacazette. Both of them are proven, prolific and young, which are three qualities crucial for the next Blues striker.