Wigan forward Gareth Hock will miss the start of the 2013 Super League season after undergoing shoulder surgery.
The 29-year-old back rower had an operation following England's Autumn International Series win in November.
He has been unable to play any part in the Warriors' pre-season schedule, including a training camp based in Florida before Christmas.
but a deal with NRL side Parramatta did not materialise.
He is contracted to Wigan until 2015, while serving a two-year drugs ban.