Complex sentence: Tomás MacCormik (born June 7,1978 in Buenos Aires) is a field hockey midfielder from Argentina, who made his debut for the national squad in 1996, and competed for his native country in the 2000 Summer Olympics and the 2004 Summer Olympics.
Split into simpler sentences: Tomás MacCormik (born June 7,1978 in Buenos Aires) is a field hockey midfielder from Argentina. He made his debut for the national squad in 1996, and competed for his native country in the 2000 Summer Olympics and the 2004 Summer Olympics.