The 19-year-old had only just made his long-awaited comeback in last weekend's NYC clash against Canterbury. However, he again went down - without a hand laid on him - during a training session on Friday night. ''He was training with the 20s, who were training together with first grade,'' said Roosters chief operating officer of football Brian Canavan. ''He stepped off his right knee. Obviously there's a predisposed weakness there. ''We recently re-sent him back to the surgeon to get clearance and the surgeon was extremely happy. It's just one of those things, unfortunately.'' Moga was set to make Australian rugby league history later this year by becoming the first player to represent for the Junior Kangaroos in three different years. He joins a growing injury ward at Bondi Junction. NSW pivot James Maloney will miss Monday night's clash against Manly after suffering eye fractures in Origin II but is in no doubt for the decider. But there are longer term concerns, with prop Martin Kennedy expected to miss up to three months after hyperextending his knee against the Bulldogs.

And Kane Evans, denied his NRL debut last weekend because of the contentious restrictions of the second-tier salary cap, is recovering from surgery after injuring an ankle while playing for Newtown last weekend. He is expected to be sidelined for 12 to 15 weeks but said he was optimistic of playing again this year. The Roosters unsuccessfully applied to the NRL to use Evans last weekend from the interchange bench, but were told by NRL officials to use Tinirau Arona. Speaking for the first time about the cruel twists of fate, Evans said: ''I'm shattered with the injury. The club has informed me they were hoping for me to make my NRL debut. If I was to have the injury, I would rather have it from playing in the NRL.'' Obviously there's a predisposed weakness there. Roosters supremo Nick Politis blasted the red tape preventing youngsters from rising into the NRL, telling Fairfax Media last week: ''They're telling you who to pick.''

Other club powerbrokers are furious that the ARLC has chosen not to make promised changes to the second-tier cap until next year. Loading One source said it was hypocritical that the NRL had changed obstruction laws and introduced a ''no biff'' edict on violence mid-season but could not address an equally pressing issue that had arisen during the 2013 season. Canavan said the granting of a mid-season release to Brisbane-bound forward Lama Tasi had led to a shift in players ranked in the first- and second-tier salary caps and promising youngster Dylan Napa could now play in the NRL without restriction.