Barreiro and Lee Jae-sung scored the goals that helped their respective teams advance to the Europa League group stages on Wednesday night.
In the first match of Group C, Union Berlin were beaten 2-1 by Mainz at the Mercedes-Benz Arena. Barreiro's goal in the 65th minute was the only one for the visitors, while Lee Jae-sung scored his side's second goal in the 89th minute. The victory means that Union Berlin will be playing in the Europa League group stage next season, while Mainz will have to settle for Europa League qualification rounds.
Meanwhile, in another Group C clash, Barreiro also played a key role in helping his team progress. In the 77th minute, he headed home a corner kick from Lee Jae-sung to give his side a 1-0 lead over Dynamo Dresden. The result meant that Barreiro's team advanced to the Europa League group stage, while Dynamo Dresden had to settle for Europa League qualification rounds.
Overall, it was a good day for both Barreiro and Lee Jae-sung, who helped their teams achieve important results in Europe. It will be interesting to see how they perform in the Europa League group stage, where they will face some tough opponents.