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At the time of his retirement, Khabib Nurmagomedov held the #1 spot in the UFC's pound-for-pound rankings. This prestigious ranking system considers fighters across all weight classes, assessing their overall skill, dominance, and accomplishments. Khabib's undefeated record, impressive grappling prowess, and unwavering determination earned him this top spot, solidifying his legacy as one of the greatest mixed martial artists of all time.