A 17-year-old boy, who cannot be named for legal reasons, was charged with Yousef’s murder and possession of a bladed article on Tuesday.
Another boy, who is also 17 and cannot be named, has been charged with assisting an offender and possession of a bladed article.
They remain in custody and will both appear before Manchester Youth Court on Wednesday 6 March, a police spokesperson said.
Police were called to reports of a stabbing in Gorse Bank Road at about 6.40pm on Saturday.
Officers attended the scene and Yousef was taken to hospital where he sadly died a short time later.
It follows the fatal stabbing of a 17 year-old girl, Jodie Chesney, in a park in Harold Hill, east London, on Friday.
Last month three teenagers were stabbed to death in Birmingham over a 12 day period.
Police are asking witnesses or anyone with information to call 101, or contact the independent charity Crimestoppers on 0800 555 111.