By winning this interim belt, Parnasse joined an exclusive group of "champ-champs" who held titles in two weight classes simultaneously (145 lbs and 155 lbs). This victory eventually led to him being promoted to undisputed lightweight champion after Ziółkowski vacated the title due to recurring injuries.
The matchup between and Sebastian Rajewski at KSW 76 on November 12, 2022, was a historic main event where Parnasse secured the interim KSW lightweight title , becoming the youngest double champion in the organization's history. Fight Overview 🥊 KSW: Parnasse vs Rajewski 🥊
: Parnasse demonstrated why he is considered one of the elite talents outside the UFC. His transition from featherweight to lightweight appeared seamless, maintaining his signature speed and explosive striking while showcasing superior grappling control. By winning this interim belt, Parnasse joined an
: Entering as a moderate underdog, Rajewski managed to survive early pressure and forced the fight into the championship rounds. However, he eventually succumbed to Parnasse’s relentless pace and submission threats. Fight Overview : Parnasse demonstrated why he is

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By winning this interim belt, Parnasse joined an exclusive group of "champ-champs" who held titles in two weight classes simultaneously (145 lbs and 155 lbs). This victory eventually led to him being promoted to undisputed lightweight champion after Ziółkowski vacated the title due to recurring injuries.
The matchup between and Sebastian Rajewski at KSW 76 on November 12, 2022, was a historic main event where Parnasse secured the interim KSW lightweight title , becoming the youngest double champion in the organization's history. Fight Overview
: Parnasse demonstrated why he is considered one of the elite talents outside the UFC. His transition from featherweight to lightweight appeared seamless, maintaining his signature speed and explosive striking while showcasing superior grappling control.
: Entering as a moderate underdog, Rajewski managed to survive early pressure and forced the fight into the championship rounds. However, he eventually succumbed to Parnasse’s relentless pace and submission threats.
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