|Mr Osman was taken to hospital |
where he died two days later
Sade Samanter, 21, was convicted of murdering Abdullahi Osman in Ealing on 11 August last year by a jury at the Old Bailey earlier.
Ibrahim Dualeh, 34, admitted murdering Mr Osman, at a hearing on 2 October.
Samanter, of Southall, Middlesex; and Dualeh, of no fixed address; will be sentenced at a later date.
Officers discovered Mr Osman, from Uxbridge, collapsed in Dean Gardens, The Broadway, West Ealing.
|Sade Samanter, left, and Ibrahim |
Dualeh will be sentenced at a later date
Det Insp Simon Ashwin, of the Metropolitan Police, said Mr Osman had been assaulted during an unprovoked, drink-induced attack.
He said a third man, Mohamed Jeylani, 24, was charged with grievous bodily harm but the case was discontinued.
Mr Jeylani was released with no further action.