Former Red Devils boss enjoying retirement.
Manchester United legend Sir Alex Ferguson was in attendance at the Etihad to watch Barcelona narrowly defeat Manchester City 2-1 – in a Champions League tie that is all set for a stunning second-leg.
Fergie has been indulging in the Champions League since its return earlier this month – after also being seen in the stands as Chelsea took on Paris Saint-Germain in their first-leg clash with the French champions.
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Red Devils heroes Ryan Giggs and Nicky Butt, Liverpool stars Jordan Henderson and Adam Lallana, and England boss Roy Hodgson were also spotted in the crowd on Tuesday night.