England
France
Ireland
Italy
Scotland
Wales
Robert Howley
Lynn Howells
Scott Johnson
Mike Ruddock
Guy Noves
Jacques Brunel
Matt Williams
Vern Cotter
John Kirwan
Steve Hansen
Conor O'Shea
Brian Ashton
Gareth Jenkins
Andy Robinson
Andy Farrell
Fabien Galthie
Wayne Pivac
Franco Smith
Warren Gatland
Graham Henry
Pierre Berbizier
Stuart Lancaster
Philippe Saint-Andre
Brad Johnstone
Josef Schmidt
Ian McGeechan
Gregor Townsend
Clive Woodward
Eddie Jones
Martin Johnson
Frank Hadden
Eddie O'Sullivan
Nick Mallett
Marc Lievremont
Declan Kidney
Bernard Laporte
25 years of data.