Unexpectedly, another warm-up match during the winter break has left fans surprised as the title contenders conceded three goals in just eight minutes, suffering a 3-2 reversal at the hands of the promoted team. Fans are now saying that letting go of one player was a mistake! Among the current Chinese Super League teams, there are not many capable of challenging for the championship. Besides the Shanghai duo, only Beijing Guoan stands a chance, with Chengdu Rongcheng still lacking in strength. Beijing Guoan's goal has always been to strive for the top, not necessarily to win first place, but to inspire the team and encourage players to be enterprising and fearless in the face of difficulties. In the 2024 season, Beijing Guoan missed out on the championship, but they did secure a spot in the AFC Champions League thanks to Shanghai Port's double championship. For the 2025 season, Beijing Guoan is undoubtedly aiming to improve further, so they made adjustments to their squad during the winter transfer window, releasing five players, including two veterans Zhang Chengdong and Yu Dabao, as well as foreign player Mamadou. During the winter break, Beijing Guoan's biggest gain was securing Serginho, allowing the team to have an additional foreign player for the new season, making the club a strong contender for the 2025 Chinese Super League title. After releasing players and bringing in new signings, the team naturally needs time to gel. On January 21st, Beijing Guoan faced newly promoted Dalian Yingbo in a friendly match. In terms of starting lineups, Dalian Yingbo only fielded…