Smiling and waving to fans, the 76-year-old Ferguson took his seat in the directors' box for the first time since his operation in May.
United players had previously agreed to donate 30% of their wages to local hospitals and health services and also collaborated with players from other teams to set up a fund to raise money for NHS charities.
The 76-year-old, who was kept in intensive care for days after his operation for brain hemorrhage, in a new video he released on Thursday, said he 'felt humbled' by the support.
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