"Silva.... performed a spectacular dive in the 131st minute of the match to seize victory"
-- match report Brazil v Wales, Daily Prophet, 4 June 2014 (Pm)
A participant in the Quidditch World Cup tournament in 2014, Silva acquitted himself best in the quarter-final against Wales, where he caught the Snitch in a "spectacular dive." He also caught the Snitch in the semi-final against the USA, but that was largely due to the Brazilian Beaters impeding the American Seeker with a pair of Bludgers (Pm).
Silva put up a good fight, but ended up losing after a brilliant Snitch capture by Viktor Krum of Bulgaria in the finals. In a display of sportsmanship, the two Seekers embraced at the conclusion of the match (Pm).
Other canon notes and references
Tony is the short form of the name Anthony (or Antonio), which is of unknown Etruscan (Roman) origin, although one theory is that it means "priceless, inestimable" (Baby Namespedia).
Silva, a common Portuguese surname, derives from the Latin word silva meaning "forest, woodland" (Wikipedia).
As he comes from Brazil, Silva may possibly have attended the Castelobruxo Wizarding School.
From the Web
Screenshots of the Daily Prophet's coverage of the 2014 Quidditch World Cup: http://imgur.com/a/AXutv