Sin Piedad (2002) (Spanish for "No Mercy") was an annual professional wrestling major event produced by Consejo Mundial de Lucha Libre (CMLL), which took place on December 13, 2002 in Arena México, Mexico City, Mexico and replaced CMLL's regular Friday night show Super Viernes ("Super Friday"). The 2002 Sin Piedad was the third event under that name that CMLL promoted as their last major show of the year, always held in December. The main event was a traditional two-out-of-three falls Lucha de Apuestas, or bet match between Rey Bucanero and Vampiro Canadiense where both wrestlers risked their hair on the outcome of the match. The show also featured Shocker defending the CMLL World Light Heavyweight Championship against Último Guerrero and four additional matches.

The Mexican wrestling company Consejo Mundial de Lucha Libre (Spanish for "World Wrestling Council"; CMLL) has held a number of major shows over the years using the moniker Sin Piedad ("No Pity" or "No Mercy"). CMLL has intermittently held a show billed specifically as Sin Piedad since 2000, primarily using the name for their "end of the year" show in December, although once they held a Sin Piedad show in August as well. CMLL has on occasion used a different name for the end-of-year show but Sin Piedad is the most commonly used name. All Sin Piedad shows have been held in Arena México in Mexico City, Mexico which is CMLL's main venue, its "home". Traditionally CMLL holds their major events on Friday Nights, which means the Sin Piedad shows replacec their regularly scheduled Super Viernes show. The 2002 Sin Piedad show was the third show to use the name.

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