Blake Green will join Melbourne Storm when his Wigan deal is up later this year.
Green confirmed on Tuesdy he will leave Super League at the end of the current season.
And the Australian stand-off, currently sidelined by a bicep injury, has now signed a two-year deal with the 2012 NRL champions.
He has previously played for Canterbury, Parramatta and Cronulla in the competition.
Melbourne, meanwhile, say Junior Moors will leave for an unnamed Super League at the end of the season.
The forward joined Storm from Wests Tigers last year and played in their 2013 World Club Challenge victory