Barreiro and Lee Jae-sung scored twice in the first half to help Mainz beat Union Berlin to ease their relegation pressure.

The match was a close one, with both teams having good chances to score but could not find the back of the net. Barreiro and Lee Jae-sung were key in securing the victory for Mainz.

Mainz had been struggling in recent seasons, with several players injured or on loan from other clubs. However, they have shown some resilience this season, and Barreiro and Lee Jae-sung's goal gave them a much-needed boost.

The win also helped Mainz secure promotion to the Bundesliga next season. The team will now be able to focus on improving their performances and preparing for the new season ahead.

In conclusion, the match between Barreiro and Lee Jae-sung and Mainz was a crucial one that helped them to overcome their relegation pressure. The team's resilience and determination showed in the performance, and it is hoped that they can continue to perform well in the upcoming season.