2018–19 UEFA Champions League group stage
The 2018–19 UEFA Champions League group stage began on 18 September and ended on 12 December 2018. A total of 32 teams competed in the group stage to decide the 16 places in the knockout phase of the 2018–19 UEFA Champions League.
Source: Wikipedia — 2018–19 UEFA Champions League group stage (CC BY-SA 4.0)