The boxer from Bermondsey tweeted this picture of him in a hospital bed last night with the message, 'I am truly gutted for my loyal fans'.
Haye's promoters say he had five hours of surgery in Germany last Thursday to reconstruct his right shoulder and in a statement say:
'[Haye] has since been told to seriously consider ending his glittering 11-year professional boxing career.
The operation was to the right subscapularis and bicep tendon attachments, both of which were ruptured.'
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The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Police have arrested a man wanted in connection with a burglary at the home of pensioner Richard Osborn-Brooks.
The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants