Both competitions have viewed format alterations, with expansions in the quantity of participating teams, introduction of recent rounds, and adjustments in qualification standards over time. The group phase was played from September to December, while the knockout stage began in February, with matches generally played on Tuesday and Wednesday evenings. https://spencerzuokd.blogpayz.com/36583438/rumored-buzz-on-what-are-the-uefa-champions-league-and-uefa-europa-league