In a thrilling match that saw both teams battle it out fiercely, Mainz 05 emerged victorious over Union Berlin in the Bundesliga. The match was a crucial one as both sides were fighting for their survival in the relegation zone.

Union Berlin started off strongly, but Mainz 05 quickly found their footing and took control of the game. They scored first through a goal from Barreiro, who converted a penalty kick after being fouled by Union Berlin's goalkeeper. The lead didn't last long, however, as Union Berlin responded with a goal from Lee Jae-sung, who scored on a header.

Despite losing the lead, Mainz 05 refused to give up and continued to push forward. They created several chances throughout the rest of the match, but they couldn't find the back of the net. In the end, Mainz 05 held onto their advantage and walked away with a hard-fought victory.

The win was a much-needed relief for Mainz 05, who had been struggling to stay alive in the Bundesliga. With this victory, they moved up to 17th place in the league table, giving them some breathing room before the final whistle blew. It was a tough match, but Mainz 05 proved that they have what it takes to overcome adversity and come out on top.

Overall, it was a remarkable display of skill and determination from both teams. Both Barreiro and Lee Jae-sung showed that they are capable of making a difference on the pitch, and it will be interesting to see how these two players perform in future matches.