Translation of the article content into English: The CBA league has entered its "deep waters," and the performances of national players are like sharpened blades, revealing a clear hierarchy. If there is one player who stands out as the biggest surprise this season, it must be Xu Jie. With an average of 15.9 points and 7.9 assists per game, he has become the core brain of Guangdong team, firmly occupying the top tier. On the other hand, Zhou Qi, due to his "stop-and-go" state, has become "pending." The stratification of national players reflects the underlying concerns for the future of Chinese basketball: Is it a lack of talent depth, or do injuries lead them astray? This time, the focus of the CBA regular season is not limited to any single match but rather a trend—national players' performances are being reshuffled on a seasonal basis. Judging from the overall data of the first 28 rounds of the CBA, national players can be roughly divided into four tiers, with distinct levels. Tier 1: Xu Jie stands alone, becoming the absolute core of Guangdong team Xu Jie's performance is phenomenal. This season, his average score has soared from 10.9 points last season to 15.9 points, and his assists have increased from 4.9 times to 7.9 times, directly ranking him sixth in the league's assist list. This is not only a breakthrough in statistics but also a change in role. From a "puzzle-type" player on the court to the organizer of the team, his coordination in the offensive end and his initiative in defense…