Former welterweight world champion Errol Spence Jr. has announced his retirement from boxing following a loss to Tim Tszyu in Sydney. Both Yahoo Sports and BBC Sport report that the defeat in his comeback fight prompted the decision. Spence, a former unified champion, had been inactive for over a year before facing Tszyu. The bout marked his return to the ring after a serious car accident and subsequent layoff. According to the reports, Spence confirmed his retirement shortly after the fight, stating that he no longer has the same drive. Tszyu, the rising Australian contender, earned a dominant victory, solidifying his status in the division. The two news outlets agree on all key details, including the location, the outcome, and the retirement announcement. No differences in framing or emphasis are present; both present the story as a straightforward retirement following a loss. Spence leaves the sport with a strong legacy, holding wins over former champions like Shawn Porter and Danny Garcia. His retirement ends speculation about potential future matchups. Tszyu, meanwhile, continues his ascent in the welterweight division.