Zach O’Driscoll spent most of his early career with Bridgend, but made one appearance for Cardiff in 2011 when he played as a replacement in the preseason game against UWIC. He re-joined the capital city club in 2018 being almost ever-present in a season that ended with Cardiff coming second in the league and winning the WRU National Cup. After making 15 appearances during his second season he returned to Bridgend - having made a 50 appearances for the Blue and Blacks (scoring one try).