Manchester City have an extra incentive for keeping an eye on Manchester United's activities in the next transfer window. It is always wise to keep an eye on the players that your rivals are buying, and Alexis Sanchez and Fred offer interesting examples of players that Pep Guardiola was interested in that have ended up at Old Trafford.
City already had a financial interest in United's movements this summer as Ole Gunnar Solskjaer chases former City youngster and Dortmund sensation Jadon Sancho.
Reports this week have suggested the Bundesliga club are holding out for a fee over £100m, which would net the Blues a significant windfall.