Kisenosato, Japan's last sumo remaining champion, retires January 16, 2019 at 05:10AMhttps://https://bbc.in/2TUv4RZ Kisenosato Yutaka's career has been marred by injuries since he became a grand champion in 2017.

Kisenosato Yutaka's career has been marred by injuries since he became a grand champion in 2017.

from BBC News - World https://bbc.in/2TSBEIG