2019–20 UEFA Champions League - Wikipedia
https://en.wikipedia.org/wiki/2019–20_UEFA_Champions_LeagueIn the knockout phase, teams played against each other over two legs on a home-and-away basis, except for the one-match final. The mechanism of the draws for each round was as follows: • In the draw for the round of 16, the eight group winners were seeded, and the eight group runners-up were unseeded. The seeded teams were drawn against the unseeded teams, with the seeded teams hosting the second leg. Teams from the same group or the same association cou…