LeBron James: Keeping a billion-dollar body in shape

Updated 1039 GMT (1839 HKT) December 13, 2017

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Story highlights

  • Mancias has worked with James for 14 years
  • Previously teamed with Michael Jordan's trainer
  • Mancias entrusted with James during offseason

(CNN)Everyone knows about LeBron James and his fanatical workouts, but not many people know about the guy entrusted with keeping his billion-dollar body in shape.

Mike Mancias would like to keep it that way.
The Cleveland Cavaliers' athletic trainer has been working closely with the NBA's four-time MVP and global icon ever since he joined the team 14 years ago.