[3] Due to the severity of Roma's injury and Ruffier being out indefinitely as well, Yohann started the following week against Sochaux.

On 13 January 2014, Thuram-Ulien joined English club Charlton Athletic on loan until the end of the season;[6] he made four first-team appearances and kept one clean sheet.

According to an article in the Evening Standard, manager Chris Powell was ordered to play Thuram-Ulien over Ben Hamer by the club's owner Roland Duchâtelet.

[13] His call up to Guadeloupe, who were preparing for the 2009 CONCACAF Gold Cup, would not have hindered future selections from France for Thuram as they are not a member of FIFA.

He is the cousin of former French international defender and 1998 World Cup winner Lilian Thuram, who also began his senior career at Monaco.