Rank-and-file grappler Atamifuji continued to be a thorn in the side of ozeki Hoshoryu on Thursday, handing the Mongolian star his first defeat of the New Year Grand Sumo Tournament.The hulking 22-year-old executed an armlock throw to earn his maiden victory of the 15-day meet and take a 5-3 lead in his head-to-head history against Hoshoryu, who is aiming for promotion to yokozuna after going 13-2 as runner-up in November.No. 2 maegashira Atamifuji (1-4) stood firm as Hoshoryu (4-1) attempted his trademark overarm throw, then clamped down on the ozeki's right arm and swung him to the clay a…READ FULL ARTICLE