Career
Okubo played 23 matches for the Japan national rugby union team from 1999 to 2004. As of December 2013 Okubo is the coach of Top League team Suntory Sungoliath.
大久保直弥
Okubo played 23 matches for the Japan national rugby union team from 1999 to 2004. As of December 2013 Okubo is the coach of Top League team Suntory Sungoliath.