Dortmund has been outspoken in its battle against antisemitism in German football, running education programs for supporters and organising visits to concentration camps to help teach about the horrors of the Holocaust.
In 2019 they made a sizable donation to Yad Vashem's Shoah Heritage Collections Centre which houses artifacts, photographs, artwork and documents from the Holocaust.
Another, lower league German side, Tennis Borussia Berlin, have also confirmed they have adopted the IHRA definition – and more leading German sides are also expected to announce their backing for the definition in the forthcoming months.
In the UK, Chelsea have led the way with their adoption of IHRA, along with a series of high-profile events around the need to remember the Holocaust and challenge antisemitism, and all forms of racism.
But Lord Mann, who has used his new role to spearhead moves for football clubs across Europe to adopt IHRA, is pushing for further Premier League clubs to become proactive in challenging anti-Jewish racism.