Leeds forward Weller Hauraki has been ruled out for up to three weeks with a calf strain.
Hauraki, 27, picked up the injury in Sunday's 44-16 win over Widnes, although the positive news for him and the Rhinos is that he hasn't suffered a tear.
The Kiwi, who signed from Crusaders at the end of the 2010 season, has already begun rehabilitation with the Rhinos medical team.
He missed just three Super League games for the Rhinos last season, and was an ever present for Crusaders in 2010, scoring 11 tries.
Castleford stand-off Ben Roberts will miss the rest of the 2016 season with a foot injury suffered at Magic Weekend.
Queensland have selected debutants Corey Oates and Justin O'Neill in their 17-man team for Game I of the 2016 State of Origin series.
Justin Carney and Mitch Allgood have been banned for one game following Magic Weekend.
Wakefield chairman Michael Carter has revealed that the club intends to drop the Wildcats moniker, and revert to being simply Wakefield Trinity again.
Salford owner Marwan Koukash says he won't give up on trying to oust the RFL leadership.