Complex sentence: Born in Buenos Aires, Angelillo started playing professionally in Arsenal de Lavallol in 1952, played in 1955 with Racing Club de Avellaneda, and moved to Boca Juniors in 1956.
Split into simpler sentences: Born in Buenos Aires, Angelillo started playing professionally in Arsenal de Llavallol in 1952. In 1955 he played with Racing Club de Avellaneda and moved to Boca Juniors in 1956.