All-time championship record holder Hakuho and new ozeki Asanoyama stayed unbeaten at the front of the pack Thursday at the July Grand Sumo Tournament.The top-billed frontrunners share the lead with three other wrestlers after Day 5 of the relocated tournament at Tokyo's Ryogoku Kokugikan.Grand champion Hakuho, who is gunning for a record-extending 45th Emperor's Cup, moved to 5-0 by toppling No. 2 maegashira Onosho in the final bout of the day.Opening with a powerful shoulder-blast, the Mongolian-born yokozuna secured a left-hand outside belt grip that allowed him to easily down Onosho (0-…READ FULL ARTICLE