✅ Yes, the content seems to be true and authentic, as reported by several sources.

These include:

1. https://www.cbsnews.com/news/japanese-boxers-brain-injury-shigetoshi-kotari-hiromasa-urakawa/ - (Trust Score 9/10)

- Reports on the deaths of Japanese boxers Shigetoshi Kotari and Hiromasa Urakawa, both 28, from brain injuries sustained during separate bouts on the same fight card in Tokyo. Kotari died after emergency brain surgery for a subdural hematoma following a 12-round draw in a title fight.

2. https://www.cbssports.com/boxing/news/two-japanese-boxers-die-after-suffering-brain-injuries-on-same-fight-card/ - (Trust Score 8/10)

- Confirms the deaths of Kotari and Urakawa due to brain injuries on the same fight card. Details the fights, injuries, treatment, and responses from the World Boxing Organization.

3. https://www.espn.com/boxing/story/_/id/45935560/two-japanese-boxers-die-brain-injuries-suffered-same-fight-card - (Trust Score 9/10)

- Provides additional confirmation of the twin tragedy, explains the circumstances, and notes reactions from the boxing community.

All these sources are reputable major news outlets covering the incident consistently, confirming that boxing star Shigetoshi Kotari died at 28 following a brain injury in a title fight, leaving the world in mourning.