In the early to mid 2000's, and up to SBW the bargaining chip was
English Super League
Australian Rugby Union
French Rugby Union
We saw on average a NRL starting back taken every year from Tiquiri onwards (meaning after the Sailor/Rogers buy)
Tiquiri
Ryan Cross
Timana Tahu
Ryan McGoldrick

Fijian Wingers - Koribete and Vanivalu
The Saffa who played for St George, Jarred Saffy?
Sam Harris
Luke Rooney
Craig Wing
SBW
Benji
Mark Gasnier
Will Chambers
Krisnan Inu
Curtis Rona
Craig Gower
Ben T'eo
These all plucked directly from the NRL, let alone Aussies like Mark McLinden who went to RU after a ESL stunt
Add Izzy and cutie if via AFL
If anyone remembers the NRL was more vulnerable financially then, around a $3.4 mil salary cap or something
R360 will kill super rugby outright before it even harms the NRL