No. 1 maegashira Oho handed his long-time rival and yokozuna Hoshoryu his first defeat at the Summer Grand Sumo Tournament on Tuesday as promotion-chasing ozeki Onosato maintained his perfect record after three days of action.Oho (3-0), the grandson of former iconic yokozuna Taiho, produced powerful shoves to unnerve Hoshoryu (2-1) before timing his slap down perfectly to send a desperate grand champion to the sandy surface at Tokyo's Ryogoku Kokugikan.Mongolian-born Hoshoryu, the nephew of former yokozuna Asashoryu, made his professional sumo debut alongside Oho in January 2018 and now tra…READ FULL ARTICLE