Chelsea are hoping to bounce back from defeat to Newcastle United when Arsenal visit, while the Gunners need to boost their European hopes.
The Christian Eriksen transfer saga appears close to completion as Inter reportedly prepare to test Tottenham with an improved bid.
Arsenal had been expected to bring in January reinforcements, but Mikel Arteta is now unsure if that will be possible.
Frank Lampard believes Mikel Arteta will get the time to be a success at Arsenal, as the Gunners prepare to face Chelsea on Tuesday.
Arsenal must beat Chelsea to keep their top-four hopes alive according to Mikel Arteta, who has agreed with Alexandre Lacazette's comments.
Kepa Arrizabalaga attracted criticism again following Chelsea's defeat by Newcastle United, but Frank Lampard looked to ease the pressure.
Arsenal have dropped 13 points from winning positions this term and boss Mikel Arteta acknowledged it is something his side need to work on.
Arsenal conceded in the 83rd minute of their 1-1 draw with Sheffield United, which Mikel Arteta described as two points dropped.
Sergio Aguero's late double looked to have given the champions three points, but a Fernandinho own goal denied Manchester City.
Arsenal led Sheffield United by a Gabriel Martinelli goal with seven minutes left but John Fleck equalised in a 1-1 draw.