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.
Some of rugby league's great names pay tribute to Roger the Dodger.
The NRL has come down hard on Parramatta, docking the club 12 points and fining them $1 million for salary cap breaches for the past four years..
Rohan Smith, son of Brian, has been linked to the vacant Braford Bulls head coaching role.
Wakefield's Ashley Gibson will be out for the next four months as he undergoes surgery to repair his shoulder.
Joe Cobb has not been named by the RFL as the referee for any of this weekend's league or Challenge Cup fixtures.