Both equally competitions have noticed format adjustments, with expansions in the amount of collaborating groups, introduction of latest rounds, and adjustments in qualification standards over time. The group phase was performed from September to December, while the knockout stage began in February, with matches typically played on Tuesday and Wednesday https://t-l-k-o-nh-c-i12109.fare-blog.com/36657516/not-known-factual-statements-about-what-are-the-uefa-champions-league-and-uefa-europa-league