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Bronny James Tackles Conditioning Hurdle to Cement Lakers Role

Bronny James is meeting coach JJ Redick’s elite fitness standard through muscle gains, defensive drills that mirror top two-way guards, management of lingering immune fragility from his 2023 cardiac arrest.

Bronny James #9 of the Los Angeles Lakers looks on against the Miami Heat during the first half of the California Classic summer league game at Chase Center on July 06, 2025 in San Francisco, California.
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Overview

  • He reports lingering immune system fragility from his July 2023 cardiac arrest, saying recurrent illness has disrupted his conditioning work.
  • In four 2025 Summer League games he averaged 14.3 points on 47.6% shooting with 3.8 assists and 2.8 rebounds.
  • Coach JJ Redick has urged him to reach elite cardio levels and emulate the two-way intensity of players like Davion Mitchell and T.J. McConnell.
  • Offseason strength work has added significant muscle to his 6-foot-3, 210-pound frame to better withstand NBA physicality.
  • Close allies Rich Paul and Tylil James have publicly defended him against unwarranted criticism tied to his family name.