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Tommy John surgery
References & Edit History Quick Facts & Related Topics
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Anatomical illustration of the human elbow showing the ulnar collateral ligament (UCL) connecting the humerus and ulna, with labeled ligament bundles, and two panels depicting the reconstruction process used in Tommy John surgery. Pitcher Tommy John of the New York Yankees, wearing jersey number 25, mid-throw on the mound during a 1989 Major League Baseball game, with a blurred crowd in the background.
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Tommy John surgery: References & Edit History

Article Contributors

Primary Contributors

  • Everett Munez
    Everett Munez worked at Encyclopædia Britannica as an Editorial Intern in 2021 and 2022.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Updated with Tommy John's death. Aug 16, 2026
Date of first Tommy John surgery added. Jul 13, 2026
Added Top Questions and cross-references. Mar 20, 2026
Article revised, with notable MLB players who have had Tommy John surgery added. Jul 14, 2024
Link added. Dec 07, 2023
Media added. Dec 13, 2022
New article added. Oct 04, 2022
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