Recent study data suggests that early sports specialization is not helpful for most elite athletes

“In most cases, we continue to see that many elite athletes competed in multiple sports until their mid teens”, says Dr. Gammons, Medical Director of Sports Medicine at the Vermont Orthopaedic Clinic. “Early sport specialization leads to increased risk of burnout and injury in young athletes. It is much better in the long run for the young athlete to have a broad exposure to multiple sports and activities during their athletic development.”
See Pediatric Sports Specialization in Elite Ice Hockey Players: https://journals.sagepub.com/…/full/10.1177/1941738118800446