The Swedish middleweight who turned a rib injury into a comeback
In short: In professional mixed martial arts, physical resilience is often the only thing separating victory from defeat. Jack Hermansson demonstrated this in 2018 when he survived a serious costochondral separation—a painful rib fracture—to rally and secure a knockout win against Thales Leites.
Born in Uddevalla, Sweden, in 1988, Jack Hermansson began his martial arts journey as a Greco-Roman wrestler at age nine. This wrestling foundation eventually paved the way for a professional MMA career that turned him into a multi-promotional champion. Before reaching the global stage of the UFC, Hermansson dominated regional circuits, capturing titles in Cage Warriors and Warrior Fight Series.
His path to the top was defined by high-stakes volatility. After an early undefeated run marked entirely by finishes, he faced significant hurdles including injuries and promotional shifts. A notable period of inactivity occurred between 2015 and 2016, during which he navigated a promotion's hiatus before returning to defend his Cage Warriors title against Alan Carlos in April 2016.
Hermansson's tenure in the UFC highlights both his technical versatility and his durability. He has secured victories through diverse methods: knockouts, submissions (including guillotine chokes and heel hooks), and unanimous decisions. His ability to overcome adversity was most evident at UFC 224 in May 2018; despite suffering a severe rib injury in the opening round against Thales Leites, he endured multiple submission attempts to win by TKO in the third.
Throughout his career, Hermansson has been recognized for high-level performance, earning 'Performance of the Night' and 'Fight of the Night' honors. While his recent trajectory includes a loss to Gregory Rodrigues in June 2025 following a long layoff, his career serves as a case study in technical evolution—transitioning from early knockout power to sophisticated grappling and endurance.
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- Summary by Intellect · source: Jack Hermansson
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