Pep Guardiola‘s men made the perfect start, taking the lead after just seven minutes through Haaland’s curling first-time finish from Joao Cancelo’s low cross.
Just after the half-hour mark, the striker netted his second of the evening and his 19th in all competitions this season, positioning himself in the right place at the right time to tap into an empty net after a fierce Sergio Gomez shot was parried.
The full-back was involved in our third under the floodlights, again powering a shot which was deflected into his own net by Davit Khocholava.
Nine minutes after the interval, Mahrez added a fourth goal from the penalty spot, marking his 200th appearance for City with a goal after Aymeric Laporte was wrestled to the ground inside the box.
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With 15 minutes remaining, Alvarez added a fifth, tapping home a superb free-flowing passing move.
City saw out the victory and remain top of Group G and are one point away from securing qualification into the knockout stages.
View the best images from the win via our gallery below.