Due to the significant growth of participants in sports around the world, this article aims to identify the effects of early specialization, as well as the roles and responsibilities of the professionals and people involved in athlete development, especially in the context of soccer. It describes the phases of Long-Term Athlete Development (LTAD) as a platform for youth sport coaches to encourage and support participants of all levels to reach their full potential and stay involved in the sport. The article provides strategies for soccer coaches to develop their activities and training sessions in alignment with the phases of the LTAD, along with an adequate pedagogical approach to avoid the negative effects of early sport specialization.