ucl drawNew UCL 2425 draw format explained: How it works and what's changed? There has been a b overhaul of UEFA’s premier competition this season. Gone are the days of the 32-team groupHow the Round of 16 draw works. Teams are paired based on league rankings (1&2, 3&4, 5&6, 7&8). Each pair is drawn into a position to face a knockout phase play-off winner.