Champions Leeds Rhinos will start the defence of their Super League title at Warrington Wolves on 1 February, 2018.
Castleford Tigers re-sign half-back Jamie Ellis from Huddersfield Giants on a three-year deal.
Super League side Huddersfield Giants sign Bradford Bulls forward Colton Roche on a two-year deal.
Huddersfield Giants sign 26-year-old prop Adam Walne on a three-year deal from Salford.
Audio & Video
Watch the first of Jake Mamo's three first-half tries for Huddersfield as the Giants eventually lose 26-21 at home to Castleford Tigers.
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