Prisión Fatal (July 2017)

Prisión Fatal (July 2017) was a professional wrestling major event, produced by the Mexico based International Wrestling Revolution Group (IWRG) professional wrestling promotion. The event took on July 23, 2017, at "Arena Naucalpan" in Naucalpan, State of Mexico, IWRG's main venue and was the fourth show promoted under that name. The main event was the eponymous Prisión Fatal (Spanish for "Deadly Prison") Steel cage match where the last person remaining in the cage was forced to unmasked or shaved bald as per the match stipulation. The July 2017 version of the show was the eight overall Prisión Fatal held by IWRG since the first show held in 2000.

In the main event both Mr. Electro and Trauma II escaped the cage before the end, allowing Carístico to defeat Black Warrior, forcing Black Warrior to have his hair shaved off afterward. The show featured six additional matches.