The idea to retire the shirt, in the manner of sports in the United States, was proposed last November when Maradona took part in a farewell match at Boca Juniors' La Bombonera stadium in Buenos Aires.
"It's OK by me, I don't care because it is Diego's number," Ariel Ortega, the last Argentine player to wear the number, said .
In Buenos Aires, Maradona told sports daily Ole that he was "very happy".
He dedicated the shirt to the "fans and to those who thought it was impossible".