The play-off mechanism of the Europa League knockout is a new competition system that was added in the 222 season, requiring 16 teams to participate. Among them, the Europa League team is the second against the Champions League team and the third. There will be no meeting with the association team during the draw, and the second round will be held at the home of the second team of the Europa League team. This total of 16 teams played against each other, and the winning 8 places re-entered the last 16 of the Europa League.

The Europa League competition has been reduced from 48 teams to 32 teams since the 22-21 season. The rules of knockout and play-offs in the Europa League make it possible for some Champions League teams to appear in the Europa League, which has increased the attention of the Europa League.

The winners of the p>222 Europa League knockout play-offs are Barcelona, Betis, Rangers, Braga, Seville, Atlanta, Leipzig and Porto.

Relevant rules:

1. The principle of avoidance of the same country. Teams from the same national football association cannot be opponents.

2. The play-off of the knockout round is a two-round match, and the seed team takes the guest first, so there is no away goal rule.

3, 8 winning teams will enter the top 16 of the Europa League together with 8 champions in the Europa League group stage.

4. The team with the first place in the eight groups will advance directly to the knockout stage, while the team with the second place in the eight groups will play a play-off with the team with the third place in the Champions League group, and the winner will advance to the knockout stage.