https://www.nytimes.com/athletic/7260428/2026/05/07/niklas-sule-retirement-dortmund-bayern-germany/
Borussia Dortmund defender Niklas Sule to retire from football at end of season aged 30 - The...
May 7, 2026 - The centre-back has been heavily affected by injuries throughout his career, suffering two cruciate ligament tears.
end of seasonborussia dortmundniklas suledefender