Pedzisa mutsara unotevera: Carlos Mario Álvarez Sánchez (akaberekwa 12 September 1956) mutambi weCuba. Akakwikwidza mumakwikwi
4 × 400 metres relay revarume pamitambo yeOlympic ya1976. Akakunda menduru yesirivha pa 1975 Pan American Games mu 4 x 400 metres relay.