What country is C.F. Monterrey in?
Efraín Juárez Efraín Juárez Valdez (born 22 February 1988) is a Mexican footballer who plays as a defensive midfielder or right back for the Mexican Primera División Monterrey.
Club Universidad Nacional Club de Fútbol Universidad Nacional A. C., commonly known as Pumas de la UNAM, Pumas UNAM ,U.N.A.M., or just as Pumas, is a Mexican league football club based in Ciudad Universitaria. Club Universidad Nacional represents the National Autonomous University of Mexico (UNAM), and plays their home matches at Olímpico Universitario Stadium, located on UNAM's main campus.