ucl 2021UCL's world-leading research has been recognised in the Research Excellence Framework 2021. Explore our outstanding results and details of submitted case studies spanning UCL's breadth of discips. The Research ExcellenceThe 2021–22 UEFA Champions League group stage began on 14 September 2021 and ended on 9 December 2021. [1] A total of 32 teams competed in the group stage to decide the 16 places