Marcos Antônio Costa Ferreira de Macedo (born September 9, 1990 in Natal) is a Brazilian competitive swimmer. is a Brazilian professional swimmer. He currently competes for the &lt;a href="Minas%20T%C3%AAnis%20Clube"&gt;Fiat/Minas&lt;/a&gt; team. Marcos won the 4 × 100 m medley relay in the 2014 World Swimming Championship (short course).