Roger sustained bruising to his ankle in last Sunday's loss to the Gold Coast Titans.
Roger will miss this Friday's final Round clash with the Rabbitohs after Medical Staff ruled him out on Tuesday.
Mitchell suffered a slight head knock in Sunday's match against the Gold Coast and was taken from the field as a precautionary move by Medical Staff.
Mitch will be monitored and tested in the lead up to Round 26, with the centre given every chance to play.
Boyd Cordner sustained a left ankle injury in Round 22's win over the Raiders at Allianz Stadium.
The vice-captain suffered the injury to his left ankle in the 65th minute of the win and was carried from the field and taken for scans immediately, then undergoing surgery the following day.
It is expected that Cordner will be unavaibale for 6-10 weeks.
Mike sustained a tear in his hamstring 6 weeks ago, playing for Newtown in the NSW Cup.
Mike has returned to running, with a return in Round 26 / the NRL Finals Series still hopeful.
Marty suffered a knee injury in the final moments of Round 15's win over the Bulldogs at ANZ Stadium, with the prop hyperextending it while making a tackle.
Marty underwent surgery and has progressed well with his rehab program, with a return in Round 26 / the NRL Finals Series still hopeful.
Kane suffered an ankle injury in a NSW Cup match for Newtown, against Cronulla. Scans revealed Kane had suffered a right syndesmosis injury and he underwent surgery the week following.
Kane has progressed well, now off the crutches and returning lightly to training, with a return in the NSW Cup Finals Series is hopeful.
Jack suffered a tear of the cartilage in his knee in the Newtown Jets victory over the Wests Tigers in Round 11 of the NSW Cup.
Jack underwent arthroscopic surgery the week following the injury and is recovering well, with a under the guidance of the Medical Staff with a return date yet to be determined.
Tautau has undergone surgery after re-injuring his ACL ligament at training in Round 16.
He will not return to play this season.