Top-division debutant Takerufuji maintained the outright lead Sunday at the Spring Grand Sumo Tournament with an impressive victory over former komusubi Ryuden.Fighting as a No. 17 maegashira, the 24-year-old from the Isegahama stable became the first wrestler to secure a winning record by improving to 8-0 at Edion Arena Osaka.He holds a one-win lead over No. 5 maegashira Onosato (7-1) who defeated veteran No. 7 Tamawashi (2-6) on Day 8.Takerufuji, winner of January's second-tier juryo championship, showed strength and composure as he went toe-to-toe with No. 13 maegashira Ryuden before pus…READ FULL ARTICLE