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Smith, Bradley Davies and Aled Davies all feature on the bench as the Welsh region look to put a testing few weeks behind them.
They are not there yet, mind, with big guns such as Alun Wyn Jones, Justin Tipuric and George North yet to return to training after their exertions during the Rugby World Cup.
There are two changes from the side beaten at home by Southern Kings last weekend.
Tom Williams comes in for Lesley Klim on the left wing and Ma’afu Fia takes over from Tom Botha at tight-head prop.
The bench does look stronger, with the three Wales players backed by Gheorge Gajion, Sam Cross and the promising Kieran Williams. Ifan Phillips shadows Scott Otten at hooker while James Hook covers the fly-half and full-back positions.
But he is absolutely right to suggest a major challenge awaits his team.
Ospreys : C. Evans; H. Dirksen, T. Thomas-Wheeler, S. Williams, T. Williams; L. Price, S. Venter; R. Jones, S. Otten, M. Fia, M. Orie, L. Ashley, D. Lydiate (capt), O. Cracknell, M. Morris.
Reps: I. Phillips, N. Smith, G. Gajion, B. Davies, S. Cross, A. Davies, J. Hook, K. Williams.
Munster : M. Haley; A. Conway, C. Farrell, R. Scannell, K. Earls; T. Bleyendaal, C. Murray; J. Loughman, N. Scannell, J. Ryan, J. Kleyn, B. Holland, P. O’Mahony (capt), T. O’Donnell, C. J. Stander.
Reps: K. O’Byrne, J. Cronin, S. Archer, T. Beirne, A. Botha, A. Mathewson, S. Arnold, D. Goggin.
