Omar Ernesto Muraco was born in Buenos Aires, Argentina in January 1932. He grew up in the same district as where the famous club Huracán is located.

Omar joined Huracán as a professional player in 1948. He stayed with that club until 1950. During his time with Huracán he scored 9 goals in 23 games.

His next clubs were Magallanes (Chile) and Atletico Chalaco (Peru). After playing in Peru he went to Cuba to play for Centro Gallego. After two seasons in Cuban soccer he joined Santiago Morning in Chile. Then followed a spell with Ciclista Lima in Peru.

In 1957 he joined Club Deportivo Futbolistas Asociados Santanecos (C.D. FAS) in El Salvador. He helped C.D. FAS win the 1957-58 league championship and was also the leading goalscorer in the league. Omar scored 26 goals in 18 league games for the title-winners. Omar left FAS during the 1958-59 season when the club rejected an offer from Spanish club Athletic Bilbao. Omar’s angry reaction led to him joining El Salvadoran club Águila. Omar joined Escuintla in Guatemala in 1959.

In May 1960 Omar joined National Soccer League club Montreal Concordia. He starred for Concordia in their league and North Atlantic Cup games during the summer of 1960.

After the 1960 NSL season Omar joined Municipal in Guatemala. He played for Municipal until he broke his leg in 1964.

After retiring from playing soccer he became a coach and manager in Central America.

Omar died on November 28, 2010 in Guatemala.