Chelsea have continued their spending spree after completing the signing of Noni Madueke from PSV Eindhoven.
Arsenal moved eight points clear at the top of the Premier League table with a 2-0 win over Tottenham Hotspur, while Chelsea returned to winning ways following their 1-0 win over Crystal Palace on Sunday.
Chelsea are "very close" to completing a deal for Shakhtar Donetsk striker Mykhailo Mudryk, the Ukraine club accounted on Saturday.
New signing Joao Felix was sent off on his debut as Chelsea's woes continue after they fell to a 2-1 defeat to Fulham in a London derby encounter on Thursday.
Chelsea manager Graham Potter praised the quality of new signing Joao Felix and believe the Portuguese forward could "make a difference" in the Blues squad.
Chelsea have officially completed the signing of Joao Felix on loan from Atletico Madrid for the remainder of the season.
Manchester City are set to face either Oxford or Arsenal in the fourth round of the FA Cup after cruising to a comfortable 4-0 victory over Chelsea on Sunday.
Pep Guardiola has urged Chelsea co-owner Todd Boehly to back under-fire boss Graham Potter despite their 4-0 defeat to Manchester City in the FA Cup third round on Sunday.
Manchester City added to Chelsea's woes after Riyad Mahrez inspired them to a comfortable 4-0 rout in the FA Cup third round on Sunday.
Chelsea manager Graham Potter has revealed that he has the "full support" of the Blues owners and players as he tries to turn around the club's fortunes after a difficult start to his tenure at the London club.