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.
Hull KR have signed Ryan Bailey from Leeds Rhinos on a two-year contract, the day after confirmed that Neville Costigan was leaving.
Week Two of the European Championship saw Scotland come within touching distance of a first ever title, and a place in the Four Nations, while France put right some of their Dublin mistakes against a valiant Welsh side.
England coach Steve McNamara does not have a problem with an Australian referee officiating his team's Four Nations game with the Kangaroos in Melbourne this Saturday.
Palestine Rugby League has gained official accreditation from the Rugby League European Federation (RLEF).