Career
Isaacs joined the Ospreys from Newport Gwent Dragons in April 2009. On 26 March 2014, Isaacs will join Gloucester Rugby in the English Aviva Premiership from the 2014-2015 season. However, due to fierce competition for first-team places, he left Gloucester with immediate effect, to join his home region Cardiff Blues on a one and a half-year deal until the end of the 2015-2016 season.