The Metropolitano Stadium will host the first leg of the UEFA Champions League semi-final between Atlético Madrid and Arsenal, marking the second encounter between the two teams in the current edition of the tournament.

Atletico had lost to Arsenal 4-0 at the latter's stadium in the third round, before finishing the group stage in 14th place. They then advanced after eliminating Club Brugge with a 7-4 aggregate score in the playoff matches, Tottenham 7-5 in the round of 16, and Barcelona 3-2 in the quarter-finals.

On the other hand, Arsenal achieved a perfect record in the group stage for the first time in the new Champions League system, before advancing to the quarter-finals at the expense of Bayer Leverkusen with a 3-1 aggregate score, and then overcame Sporting Lisbon in the quarter-finals.

This encounter marks the fourth historical meeting between the two teams. Their last match ended with Arsenal winning 4-0 in October. They previously met in the semi-finals of the 2017/2018 Europa League, where the teams drew 1-1 in London, and Atlético won 1-0 in the return leg.

Atletico has a mixed record against English clubs, while Arsenal boasts a strong winning streak against Spanish teams, having won their last seven European matches against them.

Atletico Madrid participated in the Champions League for the 16th time, while Arsenal is making its third consecutive appearance.

At the numerical level, Atletico reached its seventh European semi-final in its history, while Arsenal achieved the feat of reaching the semi-finals in two consecutive seasons for the first time in its history, with a strong record of only two losses in the last 22 matches in the Champions League.