Buuxi weedha soo socota: Gravell wuxuu sidoo kale 12 kulan u ciyaaray kooxda martiqaadka ee Barbarians. Markii ugu horeysay ee la doorto 1975, Gravell wuxuu la kulmay Australia XV bilowgii 1976 ka hor inta uusan ku biirin safarkii Barbarian ee Kanada dabayaaqadii sanadkaas halkaas oo uu ka ciyaaray lix kulan. 1977-kii, Gravell wuxuu ciyaaray kulankiisii ugu dambeeyay ee Barbarians kooxda xiddigaha ka buuxo ee la kulantay kooxda soo laabatay
Libaaxyada Ingiriiska ee 1977 ciyaar samafal ah si loogu dabaaldego Sannad-guuradii Farshaxanka ee Elizabeth II. In kasta oo Gravell uu ku dhammaaday kooxda guuldaraysatay, wuxuu dhaliyay mid ka mid ah seddexda isku day ee Barbarians ciyaar loo arko inay tahay kulan caadi ah.