sentences:  In mid-1996 Cien Caras, Máscara Año 2000 and Universo 2000 returned to CMLL after working elsewhere for four years.The trio began teaming with Apolo Dantés to form a group called "Los Capos" ("The Bosses"), a "Rudo" (bad guy) group that was heavily featured in CMLL's heavyweight division.Dantés competed in the 1997 CMLL International Gran Prix but was defeated in the semi-final by eventual tournament winner Steel.