Bath
Bristol Bears
Exeter Chiefs
Gloucester
Harlequins
Leicester Tigers
London Irish
London Wasps
Newcastle Falcons
Northampton Saints
Sale Sharks
Saracens
Mark McCall
Richard Cockerill
Jim Mallinder
Rob Baxter
Steve Meehan
Dean Ryan
Conor O'Shea
Pat Howard
Warren Gatland
David Young
Richard Hill
Ian McGeechan
Dean Richards
Bryan Redpath
Philippe Saint-Andre
Geordan Murphy
Chris Boyd
Pat Lam
Paul Gustard
David Humphreys
Michael Foley
John Connolly
Johann Ackerman
Marcelo Loffreda
Steve Diamond
Brendan Venter
Stuart Hooper
Lee Blackett
Heyneke Meyer
John Wells
Matt O'Connor
Nigel Melville
Mike Ford
21 years of data.