City, who won all four obtainable domestic trophies last season, had to figure laborious to break down their League 2 opponents, however eventually ran out comfy winners.
Oleksandr Zinchenko place pep Guardiola’s side ahead with a rasping shot from distance that vale captain Leon Legge could only help into his own net.
But city did not flip their superior possession into additional goals and was amazingly pegged back by an outstanding Tom Pope header from a pinpoint David Amoo cross.
That sparked wild celebrations from over 8,000 vale fans who packed the top tiers of the south stand at Etihad sports stadium, however their side was level for under seven minutes.
City kept running forward and Foden came upon Sergio Aguero to fire home at the close to post, with Legge again obtaining the final bit.
That goal was checked by the video assistant referee before being awarded; once city scored their third goal simply before the hour mark, it absolutely was at the start ruled out and required var intervention before being given.
Taylor Harwood-Bellis was flagged offside once it appeared John Stones had place the ball into the net however replays showed the 17-year-old had got the final touch and was really onside too.
On a decent day for City’s academy, 2 a lot of graduates combined for City’s fourth goal, with Foden running into the box to bury Angelino’s shot past Scott Brown.
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