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.
Bradford owner Marc Green says the club plans to remain as a full-time operation despite missing out on the Middle 8s.
The Bulldogs beaten, Parramatta punished and Cronulla kick on in the latest round in the NRL.
Daniel Fowler reveals the final round of the regular Championship season.
Wigan forward Frank Paul-Nuuausala has been found guilty of punching and has been suspended for one match.
Young back rower Owen Smith has inked a deal at St Helens, after impressing while on trial at the club.