Antônio Naelson Matias, known as Sinha or Zinha, is a former Mexican professional footballer. He spent most of his career playing for Deportivo Toluca. He also played for Mexico in the 2006 World Cup.
A creative attacking midfielder, Naelson is known for his vision, pace, dribbling and passing ability. He is also an accurate set-piece taker.
He has also been called up to play for Mexico, although he is a Brazilian-born player, he became a naturalized Mexican citizen, after settling in Mexico for several years. During the 2006 FIFA World Cup in Germany, Sinha became the first foreign-born player to score a goal for Mexico in a World Cup tournament, scoring against Iran. He was called up to play again for Mexico, thus making him the first naturalized to be called up by Hugo Sánchez.
