St Helens have secured the futures of Kyle Amor and long-serving captain Jon Wilkin on new contracts.
Huddersfield have made former St Helens forward Paul Clough their first signing for 2017.
Super League side St Helens have offered Jonah Cunningham, son of Saints' legend Keiron, a full-time senior contract.
Sky Sports will kick off the new Super League season on February 9 when St Helens and Leeds Rhinos clash at Langtree Park.
Salford captain Tommy Lee has joined St Helens on a two-year contract.
Super League have announced that Magic Weekend will return to St James' Park for the 2017 edition, live on Sky Sports.
St Helens forward Andre Savelio has joined Warrington on a one-year contract.
St Helens have signed Scotland international Adam Walker from relegated Hull KR on a two-year contract.
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