Mexico's treasury department has issued a warrant for the arrest of Julio Cesar Chavez and two associates, saying they were wanted for alleged tax fraud.
Chavez, who has a 97-2-1 record with 79 knockouts, was once considered the best pound-for-pound fighter in the world and probably the best fighter Mexico ever produced, but he has had troubles in recent years.
He lost his super-lightweight title in June to Oscar de la Hoya, while in recent months his wife has accused him of physical abuse and federal authorities launched an audit of his tax reports.
The alleged fraud to Mexico's federal government is around 10,582,698 pesos (pounds 930,000). Chavez's whereabouts were not immediately known.