Champions League action returns on Tuesday night as most of the eight groups start to take shape and the dominant teams push towards securing qualification to the knockout stages.
The standout fixture of round 4 sees Catalan powerhouses Barcelona travel to England to face Manchester City.
Luis Enrique’s men took no prisoners when the sides met at Camp Nou a fortnight ago, with the La Liga champions running out 4-0 winners.
Although Claudio Bravo’s red card in that game heightened City’s woes, Lionel Messi scored a hat-trick and his brilliance showed the difference in star quality between the sides.