In the 1st round of the 2022 CSL, 4 players were shown red cards: 1. Zheng Zheng (Shandong Taishan) 2. Xu Xin(Shanghai Port) 3. Zhang Chengdong (Beijing Guoan) 4. Guo Hao(Cangzhou Mighty Lions). It raised concern of CFA who worry disciplinary issues of the new season.