英译：“Going nowhere! Agent: Diego León will stay at Manchester United this winter window, and he should stay.”

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顺便确认一下：曼联阵中并没有叫“迭戈·莱昂”的球员。你是指“迪奥戈·达洛特（Diogo Dalot）”还是“拉斐尔·莱昂（Rafael Leão）”？需要我帮你查证原报道或整理相关转会动向吗？