So who are the brave players taking the plunge and making the move so far this season and who are certainly staying put?
Bath
New Signings: Rob Webber, Dominic Day,
Contract Extensions: Ross Batty, Chris Cook
Exeter Rugby
Contract Extensions: Tom Hays, Simon Alcott, Jason Shoemark, Hoani Tui
Gloucester Rugby
New Signings: Billy Twelvetrees, Huia Edwards,
Contract Extensions: Rupert Harden, Peter Buxton, Freddie Burns, Akapusi Qera,