After several years, Manuel joined the group Los Sabrosos del Merengue. He joined them at the same time they had their hit song "Fiera Callada". After the success of the song, the group released their first album, "Sin Fronteras". Manuel samg a large part of the lyrics on this album. The album included a cover version of Rocío Durcal's song "Te Amo". The group made a second album titled "Haciendo Historia". It had hits like "Colegiala" and "Frente a Frente".