Why Manchester City failed against Lyon in the champions league?

Olympique Lyonnais, commonly referred to as simply Lyon or OL, is a French professional football club based in Lyon in Auvergne-Rhône-Alpes, it plays in France's highest football division, Ligue 1. The club was established as a club in 1950. The club's most successful period has been the 21st century.

Manchester City Football Club is an English football club based in Manchester that competes in the Premier League, the top flight of English football. Founded in 1880 as St. Mark's, it became Ardwick Association Football Club in 1887 and Manchester City in 1894.

The UEFA Champions League is an annual club football competition organised by the Union of European Football Associations and contested by top-division European clubs, deciding the competition winners through a group and knockout format. 

Josep "Pep" Guardiola Sala is a Spanish professional football manager and former player, who is the current manager of Premier League club Manchester City. He is considered to be one of the greatest managers of all time.

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