Hull full-back Jamie Shaul has signed a two-year contract extension with the Challenge Cup holders.
Hull have signed half-back Albert Kelly from rivals Hull KR, while centre Steve Michaels has agreed a new contract.
Hull FC playmaker Jordan Abdull will move across the city and down a division in 2017 after agreeing a season-long loan deal with Hull KR.
Sky Sports will kick off the new Super League season on February 9 when St Helens and Leeds Rhinos clash at Langtree Park.
Super League have announced that Magic Weekend will return to St James' Park for the 2017 edition, live on Sky Sports.
Iafeta Palea'aesina has taken on a behind-the-scenes role with Hull FC and signed a two-year playing deal with Doncaster.
Catch up on the action from Old Trafford as Wigan defeat Warrington to be named the 2016 Super League champions.
Phil Clarke gives his Grand Final thoughts and pays tribute to Danny Houghton, Hull KR, and Stevo in this week's column.
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