Chelsea clash vital in Arsenal's need for Champions League cash

The need for the riches as much as the prestige of a return to Champions League football leaves Arsenal little room for error when Chelsea visit the Emirates on Saturday.

A run of three defeats in their last six Premier League games has left the fifth-placed Gunners six points adrift of their London rivals in the battle for a top-four finish.

However, it is Chelsea and not Arsenal who are reinforcing in the January transfer window to ensure they are not forced to cope with the consolation prize of the Europa League for a second consecutive season.

Chelsea boss Maurizio Sarri seems set to finally get the striker he wanted in Gonzalo Higuain on a loan deal from Juventus having worked with the Argentine international during a prolific 38-goal season at Napoli in 2015/16.

Arsenal's problems are at the other end of the field. No side in the top half of the table have conceded more than the 32 goals Unai Emery's men have in 22 Premier League games.

However, Emery has revealed that Arsenal do not have the funds to make signings this month unless they are on loan.

Arsenal ranked sixth in Deloitte's latest Football Money League ahead of the likes of Paris Saint-Germain, Chelsea and Liverpool with a near 500-million-euro (USD570 million) income.

However, while Premier League leaders Liverpool spent big on marquee signings Alisson Becker and Virgil van Dijk to transform their defensive record, Arsenal are paying a heavy price for a series of costly contracts and an imbalanced squad.

The club's highest earner Mesut Ozil penned a new three-and-a-half contract worth a reported 350,000 pounds (USD 450,000) a week last January as Arsenal feared losing one of their prized assets for free.

Just days earlier to get some return for Alexis Sanchez, who also wound his contract down into its final months, Arsenal agreed an exchange deal to sign Henrikh Mkhitaryan from Manchester United on a deal worth a reported 200,000 a week until 2021.

However, neither player can count on the confidence of Emery. The two creative midfielders have started together just four times in the league this season and Ozil was dropped from the squad entirely for last weekend's defeat at West Ham.

- Budget defensive buys exposed -
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With so much spent on strengthening the forward areas, a limited budget when looking for a new goalkeeper in Bernd Leno and ageing defenders Sokratis