On Saturday night in Kyiv's Olimpiyskiy Stadium, two of European football's dynasty clubs meet in the competition. The team with the biggest European tradition in Spain's history, Real Madrid, take on English football's most successful team in Europe, Liverpool.
But that doesn't tell the whole story. Looking to win their third in a row, and fourth in five years, this would be Real Madrid's biggest period of dominance since the 1950s team of Alfredo Di Stefano and company. While Liverpool are only now re-establishing themselves at the top of European football, this is only their second season in Europe's top-tier competition in the last nine years.
Here are the five most likely scenarios as the two teams meet: