What company did both Chavo Guerrero Sr, and Chavo Guerrero Jr work for?
Chavo Guerrero Sr.:  He was best known for his work in Universal Wrestling Federation (UWF), American Wrestling Association (AWA) and World Wrestling Entertainment (WWE) and for being the father of third generation wrestler Chavo Guerrero Jr. He was the oldest son of Salvador "Gory" Guerrero, and part of the Guerrero wrestling family.
i don't know