Manchester City picked up a memorable derby victory over Manchester United on Saturday afternoon, with Joao Cancelo central to Pep Guardiola's plan.
Ole Gunnar Solskjaer has delivered wins over City in recent years having won three and drawn one of their past four clashes but this time around, he was simply not equipped to cope.
The Reds boss opted for three-at-the-back, but Guardiola's approach forced United to employ a back five instead, with Phil Foden and Gabriel Jesus pinning back Aaron Wan-Bissaka and Luke Shaw in the wide areas.
Ahead of United's bank of five defenders, Solskjaer had a midfield three and a front two, with Cancelo integral to how City caused problems.
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