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Beginner jiu-jitsu student awarded $56M after being paralyzed while sparring with instructor ‘Sinistro’

  • In 2018, Jack Greener, a 30-year-old novice white belt, became quadriplegic during a training drill at a jiu-jitsu club located in Del Mar, San Diego.
  • The injury happened when black belt instructor Francisco Iturralde, known as Sinistro, exerted his entire weight onto Greener’s neck, resulting in the crushing of his cervical vertebrae.
  • Greener was hospitalized for months, suffered multiple strokes due to the trauma, and sued the club and Iturralde for life-changing injuries.
  • A 2023 San Diego jury awarded Greener $46 million, which increased to over $56 million with interest after the California Supreme Court upheld the verdict this week.
  • The ruling highlights instructors’ liability for unreasonable risks beyond inherent sport dangers and has prompted discussions on safety and duty of care in training environments.
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Nearly seven years after the terrible accident, justice has just paid Jack Greener $56 million.

·Paris, France
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American Jack Greener, 30, will receive 536 million kronor in damages. He was paralyzed by his jujutsu coach in 2018.

·Stockholm, Sweden
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A jury in San Diego, California, ordered the payment of $56 million to a student of jiu-jitsu who was quadriplegic after receiving a hit during a class in 2018.The case, which admits no more resources on the state track, was now brought before the U.S. Supreme Court by the academy involved.An 11-year-old girl finds a message with a telephone number in bottle that crossed 8,000 km across the sea.The victim, Jack Greener, was 30 years old and was …

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Jack Greener was paralyzed from the neck down because of his black belt instructor of jiu-jitsu in 2018. He was recognized $56 million in court after the gym Del Mar Jiu-Jitsu Club filed an appeal against a decision of 2023. Greener's cervical vertebrae were crushed, when his instructor Francisco Iturralde loaded all his body weight on him, as reported by NBC and CBS. A process of 2023 recognized Greener, now thirty years old, a damages of $46,4…

·Rome, Italy
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New York Post broke the news in New York, United States on Thursday, June 5, 2025.
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