At the beginning of 2025, Beijing Guoan has been receiving good news continuously. Spanish coach Quique Setien has officially joined, and new signing Serginho has also arrived in Beijing. After completing his club medical examination, he will fly to Haikou with Setien's coaching team to participate in the second phase of Guoan's winter training. After securing Serginho, the current focus of Guoan Club's work is on the introduction of domestic players. It is reported that the main positions for recruitment this season are at the full-back and central midfield positions. The main full-backs of Guoan, Li Lei and Wang Gang, have both entered the final stages of their careers and urgently need young players to step up. Last season, Feng Boxuan and He Yupeng both played as full-backs, but their overall performance was average. Coach Suarez even used Yang Liyu and Fang Hao as makeshift full-backs, indicating that there is currently no full-back player in the Guoan team who can truly replace Li Lei and Wang Gang. Therefore, during this winter transfer window, Guoan will continue to introduce full-back players. In central midfield, naturalized player Li Ke has left the team, and his new destination is likely to be Chengdu Rongcheng, a rising star in the Chinese Super League (CSL). Rongcheng Club has recently made significant moves in recruitment, with confirmed signings including Liu Dianzuo, Han Pengfei, Liao Lisheng, and Yuan Mincheng among others. With the addition of Liao Lisheng and Li Ke, Chengdu Rongcheng's central midfield position is now overcrowded. Yan Dinghao, who only joined the team last season,…