Nutbrown has impressed since his arrival in Wales, but now faces a period of rehabilitation.

BBC: Injury blow for Osprey Nutbrown

Scrum-half Jamie Nutbrown could also be back from injury, but Shane Williams is out with a shoulder problem.

BBC: Ospreys v Scarlets (Sat)

Rhys Webb and Rhodri Wells will contest the scrum-half jersey in the absence of Mike Phillips and Jamie Nutbrown.

BBC: Ospreys v Ulster (Sat)

Osprey Nutbrown's fellow number nine Mike Phillips returned from nine months injury absence in last Friday's defeat at the Dragons.

BBC: Ospreys v Scarlets (Sat)

Children's Minister Sarah Teather said Professor Nutbrown's interim report "recognises the passion and professionalism of those working with our youngest children".

BBC: Nutbrown Review: Nursery staff skills questioned

Prof Nutbrown's comments come as the National Children's Bureau (NCB) charity releases the findings of a snapshot survey suggesting an overwhelming rejection of the ratio-change plans from the early years sector.

BBC: Nursery ratio plans criticised by government adviser

Teenage scrum-half Rhys Webb was undaunted amidst the Ospreys' 13 internationals and the Wales Under-20 star showed that Jamie Nutbrown will have to fight for the number nine jersey when he arrives from New Zealand.

BBC: Connacht 3-16 Ospreys