Thiago Cionek

While having been born and raised in Curitiba, Brazil, Cionek's family is of Polish descent and he therefore applied for Polish citizenship, which he received in October 2011. Cionek made his international debut for the Poland national team, on 13 May 2014, starting in a goalless friendly draw against Germany in Hamburg. Cionek then was called up by Poland's national team to play in the 2016 European Championship in France. In May 2018, he was named in Poland's preliminary 35-man squad for the 2018 FIFA World Cup in Russia. On 19 June, in Poland's initial World Cup match against Senegal, Cionek scored an own goal that opened a 2–1 loss.

Born in Curitiba, Paraná, Cionek began his career with local side Cuiabá Esporte Clube. He moved to Europe for a brief spell at Portugal's GD Bragança before returning to Brazil with Clube de Regatas Brasil. In 2008, Cionek returned to Europe, playing four seasons with Jagiellonia Białystok in his ancestral Poland. With Jagiellonia Białystok, he won the 2009–10 Polish Cup and the 2010 Polish Super Cup. He then spent a year in Serie B with Padova, before signing for another club from the same division, Modena, on 2 September 2013. On 11 January 2016, he joined his third Italian club, Palermo of Serie A. Two years later, with his contract was due to expire at the end of the season, he was sold to SPAL of the same league on a 21⁄2-year contract. On 28 September 2020, he signed a three-year contract with Serie B club Reggina. On 9 August 2023, Serie C side Avellino announced the signing of Cionek on a two-year contract.

Club

As of match played 4 April 2026

International

Jagiellonia Białystok

Polish Cup: 2009–10 Polish Super Cup: 2010 Avellino

Serie C Group C: 2024–25