Chavo Guerrero Sr, father of Chavo Jr and oldest son of Gory Guerrero, has passed away at the age of 68 due to liver cancer. He has teamed with his brothers Mando and Hector throughout many promotions in the 1970’s and 80’s. He competed in WWE as Chavo Classic and became the oldest Cruiserweight Champion. Chavo Sr retired in 2010 and was in Lucha Underground, where he turned on Rey Mystery and attacked Chavo Jr. He is the second Guerrero brother to pass away as Eddie passed away in 2005. Chavo Guerrero Sr will be missed by the entire wresting community.