Five years before, in August 2015, the professional section of CB Miraflores had been established.[3] In 2017, Burgos made its debut in the Liga ACB, the highest Spanish league. In the 2019–20 ACB season, which was played out earlier that year, Burgos reached the semi-finals of the playoffs.
AEK
For AEK, this was the second time it appeared in a final of the Basketball Champions League, having won the 2018 title. It was also the second time AEK hosted the Final Four/Eight tournament at the O.A.C.A. Olympic Indoor Hall.