the official definition by the mexican "lucha libre" commission for the light heavyweight division in mexico is between and . in the 20th century, cmll were generally consistent and strict about enforcing the actual weight limits. in the 21st century the official definitions have at times been overlooked for certain champions. one example of this was when mephisto, officially listed as , won the cmll world welterweight championship, a weight class with a upper limit. although the heavyweight championship is traditionally considered the most prestigious weight division in professional wrestling, cmll places more emphasis on the lower weight divisions.