Josha Mamdou Karboue Vagnoman is a 22-year-old defender for VfB Stuttgart. Vagnoman was born on December 11, 2000 in Hamburg, Germany, and spent his youth career playing for SC Poppenbüttel in 2009, Hummelsbütteler SV from 2009 to 2010, and Hamburger SV from 2010 to 2018. In February 2018, newly appointed head coach Bernd Hollerbach promoted him to Hamburg’s first squad for the coming campaign. He made his professional debut on March 10, 2018 in a match against FC Bayern München in a 6:0 home loss. Vagnoman ultimately made 74 appearances for Hamburger SV and Hamburger SV II before joining his current club in 2022. He has also made 19 appearances for Germany’s U17, U18, U19, U20, and U21 squads since 2017.