Mainz 05 triumph over Union Berlin in crucial match, easing relegation pressure with key players Barreiro and Lee Jae-sung scoring.

Mainz 05 secured their place in the Bundesliga after defeating Union Berlin in a crucial match on Sunday. The victory was a major boost for the club's relegation fight as they look to avoid being relegated from the top flight.

The match saw Mainz 05 dominate possession and create numerous chances throughout the game. However, it wasn't until the 62nd minute that they found the breakthrough. Barreiro, who had been out injured recently, scored his first goal since returning from injury to give Mainz 05 the lead.

Union Berlin responded quickly, though, with Lee Jae-sung equalizing just before half-time. The match remained level until the 89th minute when Barreiro completed his hat-trick and sealed the win for Mainz 05.

This result means that Mainz 05 have now secured their place in the Bundesliga for another season. It also means that they will not be facing any relegation battles this season, which is a huge relief for the team and its fans.

Overall, it was a fantastic performance from Mainz 05 against Union Berlin. They were dominant throughout the match and deservedly won the game. Their win has taken them up to 14th place in the table and puts them in good shape for the rest of the season. It's a massive relief for the team and their supporters that they have avoided relegation for another year.