Significant changes are underway for the Dallas Mavericks as they overhaul their health and performance group following a season plagued by injuries. General manager Nico Harrison has made the decision to part ways with head athletic trainer Dionne Calhoun and athletic performance director Keith Belton, continuing the trend of personnel changes since the firing of former director Casey Smith. Under Smith's leadership, the Mavericks were recognized as the NBA Trainers Association's staff of the year, but this season saw a staggering 354 player-games lost due to injury, the second-highest total in franchise history.

Several players, including Dereck Lively II, faced re-injuries upon returning to action, raising questions about the medical staff's effectiveness. Lively's initial ankle sprain was misdiagnosed, leading to further complications that sidelined him for a majority of the season. Despite the turmoil, Harrison has defended the medical team, attributing a significant portion of injuries to unavoidable contact events rather than staff shortcomings. As the Mavericks look to rebound next season, the effectiveness of this revamped health and performance team will be crucial in supporting players like Luka Doncic and maintaining their competitive edge.