The Ireland international was a late call-up for South African Jean Kleyn who pulled out due to illness. And Beirne was outstanding winning a number of crucial turnovers to help his side solidify their position in the Conference A play-off places. Beirne has sat out the first three rounds of the Six Nations with a knee injury, but on this evidence is a serious contender to figure against France and Wales. A penalty try and a touchdown apiece from Darren Sweetnam and Mike Haley plus two points from the boot of JJ Hanrahan was enough to get Munster over the line. All the Ospreys could muster was a try from Hanno Dirksen and six points from Luke Price. Munster drew first blood with Sweetnam crossing at the corner after a lovely missed pass by Hanrahan saw the winger step back inside to score. It was young wing Keelan Giles who sparked the Welsh region into life with an electric break up the touchline after some neat handling by Price and Dan Evans. Just as he was about to get bundled into touch the former Wales Under-20 star executed a well-weighted kick through for Dirksen to score. The try wasn’t immediately…