Here are the others during the Super League era - and how they got on...
5. Joe Burgess
Moved to the NRL with Sydney Roosters in '15 but switched to Souths mid-season, before returning to hometown club Wigan.
6. Sam Tomkins
Signed for New Zealand Warriors at the end of 2013 on a record three-year deal but returned to Wigan after two. Now at Catalans Dragons.
7. Lee Mossop
His one season at Parramatta was bookended by shoulder injuries, limiting him to three appearances. Returned to Wigan, now at Salford.
8. Matty Russell
Was a fringe player when he left at the end of 2012 for the Gold Coast Titans, but didn't crack the NRL side and returned home with Warrington. Now at Toronto