Fame, a merger of the IRB and International Rugby Halls of Fame Concussions in rugby union List of rugby union stadiums by capacity References Notes Footnotes Sources Printed sources Electronic sources Scrum.com Rugby guide External links International Rugby Board – official site of the sport's governing body Rugby Data – rugby union statistics Planet Rugby – news, fixtures, match reports, etc. ESPN Scrum.com – news, match reports and statistics database Top 10 international Rugby Teams in 2017 – Top 10 international Rugby Teams in 2017 Ball games Former Summer Olympic sports Sports originating in England Team sports Rugby football variants Turf sports