Neath could be without the services of two back-row forwards when the season begins next month.
Wales international flanker Brett Sinkinson could miss up to six weeks if he cannot recover from the knee surgery he underwent last month.
Nathan Bonner-Evans is another fighting against time to recover from a pelvic injury.
There is better news however of new signing Andy Newman, who collapsed during a training run on Aberavon beach.
Newman, a Wales A cap signed from Northampton, was taken by ambulance to Morriston Hospital but was released after treatment for dehydration.
WRU International Skills Coach Jason Strange is a busy man, combining the new role with that of Wales Under 20 attack coach, Ebbw Vale head coach and continuing to teach at Ebbw Fawr Learning Community.
Warren Gatland and Sam Warburton look ahead to this week's crunch RBS 6 Nations tie against France, where the Wales skipper in particular is keen to make his mark, as Paris has proved a bleak place for him in the past.
Following their historic win over England, Wales Under 20 suffered a narrow, 36-34 loss to their Scottish counterparts last weekend, despite outscoring them by five tries to three. Watch the match highlights and reaction.
WRU TV go behind the scenes with the Wales squad as they put the final touches in place ahead of the clash against Scotland at Murrayfield. Follow the squad on their captain's run, the kickers visit to Murrayfield and Neil Jenkins' press conference