Career
Born in Saint-Denis, Paris, Thievy joined RCD Espanyol in Spain in early 2010, not yet aged 18, signing from Remote Control Strasbourg. On 17 December he netted his first goal with the main squad, scoring the opener in an eventual 2–1 success at Sporting de Gijón. In September 2012, Thievy was loaned to UD Las Palmas in Segunda División.
After a successful spell, he extended his contract with Espanyol until 2017.
On 31 January 2014, Thievy signed for West Bromwich Albion on a loan deal with a view to a permanent transfer, being awarded the number 50 shirt. He made his debut in the Premier League eight days later, playing the second half and scoring within 36 seconds of taking the pitch in a 1–3 away loss against Crystal Palace.
On 13 August 2014 Thievy left Espanyol and moved to fellow top division club UD Almería, in a season-long loan. On 19 March of the following year he was suspended for one month, due to allegations of breach of contract with his former agent.
The ban was lifted days later, and he continued to appear regularly for the Andalusians, which suffered relegation.
On 19 August 2015 Thievy was loaned to fellow league team Granada CF, for one year. A French youth international, Thievy opted to represent Congo at the senior level, receiving a Fédération internationale de football association clearance on 1 August 2014. He made his full international debut a day later, replacing Julsy Boukama-Kaya in the 68th minute of a 0–2 away loss against Rwanda for the second leg of the 2015 Africa Cup of Nations second qualification round.
At the 2015 Africa Cup of Nations finals, he netted Congo"s first goal of the tournament in a 1–1 draw to hosts Equatorial Guinea.
He also scored the opener in their 2–1 group phase victory over Burkina Faso, a result which qualified the nation to the quarter-finals for the first time since 1992, where he grabbed his final goal against the DR Congo, putting his team ahead 2–0 but in an eventual 2–4 defeat. International goals
Scores and results list Congo"s goal tally first.