Richard Mustoe joined the Cardiff Blues with fellow wing Aled Brew in the Spring of 2008. Bridgend born he played for the club then moved on to the newly formed Celtic Warriors in 2003. The following season he joined the Ospreys before joining the Newport Gwent Dragons on a one season loan in 2007. Mustoe is a Wales sevens international and a clinical finisher. He scored a hat trick of tries on his debut for the Blues against the Combined Blues Regional Premiership team in August 2008 at Sardis Road.