School of Medicine, UNAM one of the most recognized schools in the university and in Mexico. The latest three rectors of the university, including the current one, are former deans from this school. The origin of the School of Medicine of the National Autonomous University of Mexico (Universidad Nacional Autónoma de México, known by the acronym UNAM) dates back to the 16th century, with the foundation of the Royal and Pontifical Mexico University (). In fact, the first decree that authorizes their creation was promulgated by Philip II in 1547 and endorsed in 1551. Nevertheless, the compliance of procedures and the liberation of the
Clausura 2016 Copa MX the 2015-16 CONCACAF Champions League (América, Querétaro, Santos Laguna and UANL) or the 2016 Copa Libertadores (UNAM, Toluca, Puebla). The top 13 Ascenso MX in the Apertura 2015 classification table also qualified to the tournament. If two or more clubs are equal on points on completion of the group matches, the following criteria are applied to determine the rankings: Every group is composed of four clubs, two from Liga MX and two from Ascenso MX. except for Group 6 which only has one Liga MX club. Instead of a traditional robin-round schedule, the clubs will play in three two-legged "rounds",