Pep Guardiola‘s men made a confident start and raced into the lead after 16 minutes through Alvarez, who connected with an accurate Matheus Nunes cross to head beyond James Trafford.
The Argentine doubled the lead six minutes later, latching onto Kevin De Bruyne‘s expert pass from a cleverly worked set-piece to slot into the corner.
The brace takes the 24-year-old’s top-flight tally to eight for the season, accompanied by seven assists.
We raced out of the blocks from the interval and added a third through a superb sweeping finish from Rodrigo from the edge of the box.
Erling Haaland made his eagerly awaited return from injury with just under 20 minutes remaining, replacing captain De Bruyne, who left the pitch to a standing ovation.
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Ameen Al-Dakhil scored a late consolation for the visitors as we secured three crucial Premier League points, moving us into second place in the table.
View the best images from the win via our gallery below.