Here are five of the biggest names of the Super League era to have also played for both teams across their careers...
9. Martin Gleeson
The former Great Britain and England international is now an assistant at Warrington Wolves - another one of his former clubs- under Sam Burgess Photo: Allan McKenzie/SWpix.com
10. Lee Gilmour
Lee Gilmour enjoyed plenty of success throughout his career, appearing in two Grand Finals with Wigan - winning one in 1998 before making the switch to Bradford Photo: John Clifton/SWpix.com
11. Lee Gilmour
The former Great Britain international enjoyed six trophy-laden years with St Helens, including the 2006 treble Photo: Ben Duffy