Get the biggest City transfer window stories, analysis and updates delivered straight to your inbox Manchester City will be watching Manchester United's pursuit of Jadon Sancho with interest.
It didn't work out for England winger Sancho at the Etihad, with player and club having different ideas for his development.
As a result, he left for Borussia Dortmund for a fee of £8m that seems like one of the bargains of recent times in hindsight.
However, it was a deal that suited all parties at the time, and City's relatively low fee for Sancho could be boosted in the near future.
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