Claim: The Arena Naucalpan 27th Anniversary Show was held December 19, 2004, in  Naucalpan, State of Mexico, Mexico where they hosted five wrestling events scripted by the Mexican professional wrestling promotion International Wrestling Revolution Group (IWRG) for this the main event was a Japanese wrestler called MAZADA who faced off against the Mexican Dr Cerebro in a Lucha de Apuestas  The match saw MAZADA defeat Dr Cerebro, two falls to one.
Evidence: The Arena Naucalpan 27st Anniversary Show was a major annual professional wrestling event produced and scripted by the Mexican professional wrestling promotion International Wrestling Revolution Group (IWRG), which took place on December 19, 2004 in Arena Naucalpan, Naucalpan, State of Mexico, Mexico. The event featured five professional wrestling matches with different wrestlers involved in pre-existing scripted feuds, plots and storylines. In the main event of the Arena Naucalpan 27th Anniversary Show Dr. Cerebro and MAZADA split the first two falls between then rather quickly, going to the third, much longer fall as both wrestlers tried to defend their hair. MAZADA defeated Dr. Cerebro Best two-out-of-three-falls Lucha de Apuestas, hair vs. hair match Kazuhiko Masada (正田 和彦, Masada Kazuhiko) (born May 23, 1975) is a Japanese professional wrestler, mostly known for his ring name Mazada (written in all capitals). Alejandro Jiménez Cruz (born April 21, 1972) is a Mexican luchador, or professional wrestler best known under the ring name Dr. Cerebro (Spanish for "Doctor Brain"). In the end, Mazada pinned Dr. Cerebro, winning his first Lucha de Apuestas match, while forcing Dr. Cerebro to have his hair shaved off for the first time in the eight years since becoming a luchador.