Mainz 05 secured their Bundesliga survival against Union Berlin in a crucial match on Sunday afternoon. The game was full of excitement as both teams fought for the win. However, it was Mainz who emerged victorious, thanks to two关键进球 from Barreiro and Lee Jae-sung.

Barreiro's goal in the 68th minute gave Mainz a 1-0 lead, which they would not relinquish until the final whistle. The Brazilian midfielder had been in excellent form this season, scoring three goals in his last four games. His goal proved to be decisive, as it allowed Mainz to secure their survival hopes.

Lee Jae-sung also made a significant contribution to the victory, scoring a late goal that put Mainz ahead by two goals. The South Korean forward has been a key player for Mainz this season, scoring seven goals in 22 appearances.

The victory was a huge boost for Mainz, who were facing elimination from the Bundesliga after losing their previous match against Eintracht Frankfurt. With this win, Mainz now have a fighting chance of avoiding relegation to the second tier of German football.

Overall, it was a crucial match for both teams, but Mainz emerged victorious. Their victory is a testament to their determination and skill, and will give them confidence going into the rest of the season.