The Maradonian religion has spread to several countries around the world and has more half a million followers.
Maradona, the revered former Boca Juniors and Napoli star who had alcohol and drug addictions for many years, died last Nov. 25 from heart failure at the age of 60 after undergoing brain surgery earlier that month.
Less than six months after the death of Diego Maradona, the public prosecutor's office has brought charges of homicide against his medical and nursing team.
The report said Maradona had become seriously unwell and was dying for around 12 hours before his death around midday on November 25.
The march kicked off at the emblematic Obelisco monument in central Buenos Aires, where protesters waved flags and sang songs in homage to Maradona, choking the streets around rush hour in the country's capital.
Maradona drove the 1992 silver Porsche 911 to and from training and matches when he was playing for Spanish club Sevilla in the 1992-93 season, his last in Europe, after serving a 15-month ban over a failed drugs test.
In a wide-ranging interview with Italian sports daily La Gazzetta dello Sport, Pope Francis recalled his own days playing soccer as a child with a ball made of rags and laid bare his scorn for doping cheats.
The 1986 World Cup-winner died of a heart attack aged 60 on November 25, less than a month after undergoing surgery in the Argentina capital to remove a blood clot on his brain.
Sabella’s death came less than two weeks after the passing of Maradona, who played with Sabella for the Argentine national side in the 1980s.
By order of the attorney general's office of San Isidro, officers entered an apartment used by Agustina Cosachov for consultations in Buenos Aires on Tuesday, while another group of police searched her private home.