Alex Sherman is a Moldovan-born Russian semi-retired professional wrestler and color commentator, currently working for New Japan Pro-Wrestling under the ring name Alex Koslov.

The AAA World Cruiserweight Championship is a professional wrestling championship contested for in the Mexican lucha libre promotion Lucha Libre AAA Worldwide (AAA). The championship cannot be competed for by anyone who is over the Cruiserweight division weight limit of 105 kg (231 lb). Traditionally this division is labelled as the "Junior Heavyweight" division in Mexico while "Cruiserweight" is a term more used in the United States or Canada.