Joel Matip, dan wasan kwallon kafa na kasar Kamerun wanda ya taka leda a matsayin tsakiya, ya sanar da yin ritaya daga wasan ƙwallon ƙafa na ƙwararru. Matip, wanda ya koma shekaru 33, ya kai ga ƙarar sa bayan shekaru takwas da ya guda a kulob din Liverpool.
Matip ya fara aikinsa na ƙwararru tare da Schalke 04 a shekarar 2009, inda ya lashe DFB-Pokal da DFL-Supercup a shekarar 2011. Ya koma Liverpool a shekarar 2016, inda ya lashe UEFA Champions League, UEFA Super Cup, da Premier League a shekarar 2019-20. Ya kuma lashe EFL Cup da FA Cup a lokacin 2021-22.
A ranar 3 ga Disamba 2023, Matip ya ji rauni mai tsanani wanda ya sa ya kasa taka leda har zuwa ƙarshen kakar 2023-24. Raunin ya taka rawar gani wajen yanke shawarar yin ritaya, kwanda ya tabbatar a watan Oktoba 2024.
Matip ya wakilci Kamerun a matakin duniya, inda ya taka leda a gasar cin kofin duniya ta FIFA ta shekarar 2010 da 2014, sannan ya sanar yin ritaya daga wasan kasa da kasa a shekarar 2015.
Bayan yin ritaya, Matip ya fara aiki a matsayin koci na tawagar ƙaramar yarsa ta Under-13, wadda ɗansa ke taka leda.