 After working lower card matches through 2009 and into 2010 Guerrero Maya Jr. received his first major opportunity in April, 2010 when he was entered into the 2010 "Gran Alternativa" tournament, a tournament that pairs up a rookie and a veteran for a tag team competition.Maya Jr. teamed up with Valiente for the tournament but lost to the team of lost to Raziel and Averno in the first round.For about a year Guerrero Maya Jr. continued to work mid-card matches, gaining experience as he kept training at CMLL's wrestling school.