Santi Cazorla did not feature for Arsenal against Middlesbrough in the Premier League at the weekend.
Newcastle United take on Preston North End in the last 16 of the competition on Tuesday.
Manchester United suffered a heavy defeat to Chelsea in the Premier League on Sunday.
Liverpool boss warned he must 'fix their defence'.
Neil Warnock's bright start as Cardiff City manager continued with a 2-1 win over Nottingham Forest.
The Arsenal striker has missed most of the season so far.
Tottenham goalkeeper Hugo Lloris has been praised by Eric Dier.
Leeds claimed a vital win over Wolves as they picked up a 1-0 win at Molineux.
The Arsenal midfielder was active in the final third during the draw with Middlesbrough.
Chelsea thrashed Manchester United to spoil Jose Mourinho's return to Stamford Bridge.
Tottenham Hotspur drew 0-0 away at Bayer Leverkusen on Tuesday night.
Pep Guardiola has insisted that he has not tried to sign Lionel Messi for Manchester City but said that if the Argentinian ever decides to leave the Camp Nou, he will be among those waiting in the queue for him.
Celtic’s midweek objective is to ensure one of the most memorable matches in their illustrious European history is not the sum of this Champions League campaign.