Mexican boxer Julio Cesar Chavez Jr has entered a prison in the northern Mexico state of Sonora after his arrest in the United States in July, Mexico's national arrest registry showed on Tuesday.

Boxer Julio César Chávez Jr. has been deported to Mexico, where he's wanted for alleged cartel ties, following his arrest in the U.S. for overstaying his visa and lying on a green card application.

Chavez, 39, was allegedly a "hitman" used to punish members of the cartel.