Football is ever-changing, and the experiences of Manchester United's new star, Kobe Mino, over the past two years illustrate this point. Last season, he suffered a serious injury at the beginning, and no one expected him to have such a strong finish, becoming the most promising player on the team and even starting for England in the European Cup. However, since the start of this season, the 19-year-old English international has fallen into a slump, performing poorly and missing two months due to a foot injury. Although he performed well against big teams like Manchester City, Liverpool, and Arsenal, he was again in poor form against weaker opponents like Southampton, failing to take a shot on goal and being substituted at halftime. The rumors of demanding a weekly salary of 200,000 pounds have angered fans, who call for him to be sold. In the plans of Manchester United owner Sir Jim Ratcliffe, Mino is no longer indispensable and can be sold if the price is right. If Mino were in a stable team, he could develop better, but in today's Red Devils, his potential may not be suitable for development, which could depend on his physical development, the team's tactics, and his own thoughts. In today's Premier League, standards for height, running ability, and physical fitness have significantly increased. Since the 2019/20 season, few clubs have given playing time to midfielders under 175cm tall. From the 2022/23 season to the 2023/24 season, the playing time of midfielders close to 185cm has increased by 25%, with midfielders needing to be tall,…