 Mackay later became part of the new Dragons when the joint venture was formed in 1999, playing 24 games, including an appearance from the bench in the 1999 NRL Grand Final loss to the Melbourne Storm.Mackay had played a total of 248 first grade games over 12 years.Mackay played out his career in the 2000 season with the Bradford Bulls in the UK, winning the Challenge Cup Final with them.