William Vainqueur History
| Clubs | Country | Position | NO | From | To | Loan |
|---|---|---|---|---|---|---|
 FC Nantes | France | Midfielder | 21 | 01/08/2008 | 01/07/2011 | |
 Standard Liege | Belgium | Midfielder | 21 | 01/07/2011 | 01/07/2014 | |
Dinamo Moscow | Russia | Midfielder | 6 | 01/07/2014 | 31/08/2015 | |
 AS Roma | Italy | Midfielder | 31/08/2015 | 04/09/2017 | ||
 Olympique Marseille | France | Midfielder | 31/08/2016 | 31/05/2017 | Y | |
 AS Monaco | France | Midfielder | 12/01/2019 | 30/06/2019 | Y | |
 Toulouse | France | Midfielder | 01/07/2019 | 30/06/2020 |
NO = Player number .