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With a big derby coming up in midweek, it's perhaps only natural that Man City and Manchester United shared a choice bit of Twitter banter in the build-up.
It all began when City started live-tweeting Pep Guardiola's pre-match press conference, sharing snippets of the manager's spiel with their followers.
#PEP: David Silva is a real doubt. Gabriel is ready but his physical condition is not optimal. Sergio is much better - he will be ready.