Thiago Alcantara's return from injury provided a reason to be cheerful for Liverpool fans after the 0-0 draw at Newcastle United.
Kieran Tierney has been in fine form as Arsenal have started to turn their form around, and Mikel Arteta believes the full-back is a leader.
Liverpool have a shortage of options at centre-back, but the Premier League champions are not certain to make signings in January.
Manchester City youngster Phil Foden scored and assisted in the win over Chelsea and was grateful to receive praise from Pep Guardiola.
Manchester City eased past Chelsea in Sunday's Premier League clash and Pep Guardiola hailed his side's "excellent" display.
Frank Lampard is feeling the pressure as Chelsea boss but remains focused on a brighter long-term future for the club.
Manchester City swept Chelsea aside to show their Premier League title credentials and how far away Frank Lampard's side look.
Andy Carroll scored his first Premier League goal for Newcastle since 2010, but it could not inspire a comeback against Leicester City.
Manchester City face Chelsea without a host of first-team regulars, with Zack Steffen making his league debut in goal.
Less than four hours before Sunday's match with Chelsea, Manchester City announced Eric Garcia and a staff member were isolating.