▁the ▁ 1 3 th ▁day ▁against ▁End ō . ▁He ▁retired ▁during ▁the ▁following ▁tournament ▁in ▁March ▁after ▁ 9 ▁losses ▁in ▁a ▁row , ▁saying ▁" I ’ ve ▁had ▁so ▁many ▁inj uries ▁recently , ▁but ▁I ▁have ▁no ▁reg rets ▁because ▁I ▁gave ▁it ▁my ▁ut most ▁over ▁ 1 2 ▁years ." ▁In ▁ 2 0 1 4 ▁he ▁obtained ▁Japanese ▁national ity ▁and ▁leg ally ▁changed ▁his ▁name ▁to ▁Kar o yan ▁And ō ▁( 安 藤 ▁ カ ロ ヤ ン , ▁And ō ▁Kar o yan ), ▁he ▁has ▁stayed ▁in ▁sum o ▁as ▁an ▁elder ▁of ▁the ▁Sum o ▁Association . ▁He ▁acquired ▁the ▁Nar uto ▁to sh iy ori ▁k ab u ▁or ▁elder ▁license ▁in ▁ 2 0 1 5 , ▁and ▁began ▁as ▁a ▁coach ▁at ▁Sad og ata ke ▁stable . ▁ ▁Nar uto ▁St able ▁ ▁And ō ▁Kar o yan ▁( K oto ō sh ū ) ▁opened ▁his ▁own ▁stable ▁of ▁wrest lers , ▁Nar uto ▁stable ▁( <0xE9> <0xB3> <0xB4> 戸 部 屋 ▁Nar uto - be ya ) ▁in ▁April ▁ 2 0 1 7 . ▁He ▁is ▁the ▁first ▁European - born ▁sum o ▁wrest ler ▁to ▁run ▁his ▁own ▁stable ▁and ▁the ▁third ▁wrest ler ▁born ▁outside ▁Japan . ▁His ▁title ▁is ▁sum o ▁elder ▁Nar uto ▁K ats un ori . ▁The ▁stable ▁started ▁with ▁three ▁wrest lers , ▁including ▁a ▁ 2 0 - year - old ▁Bulgar ian ▁junior ▁wrest