By Daniel Chavkin He won eight World Championships in the past 11 years. Leandro Lo, the Jiu-Jitsu world champion from Brazil, was shot and killed Sunday, per g1. He was 33 years old. Lo was attending a concert in São Paulo when he and another man got into a confrontation, which ended with Lo getting shot in the head, per reports. Hours after being taken to a hospital, Lo was declared dead. According to MMAFighting.com, witnesses saw the suspect, Henrique Otávio Oliveira Velozo, try to take a bottle from Lo’s table before Lo confronted him and took him down. When the two were separated, witnes…