Mark Daniel Milligan is an Australian former professional footballer. Starting his career as a defender, Milligan has spent much of his later career playing as a midfielder. He is currently a football expert commentary and analysis at 10 Sport. He is currently an assistant coach for A-League Men club Adelaide United.

Adelaide United Football Club is a professional men's soccer club located in Adelaide, South Australia, Australia. The club, nicknamed the Reds, was one of the eight founding members of the A-League Men and have competed in it concurrently since its formation. They currently hold a licence from the Australian Professional Leagues. Established in 2003, the club was formed to replace Adelaide City and West Adelaide in the final season of the National Soccer League, and has remained the only A-League club from South Australia. Adelaide United's home ground is at Coopers Stadium in the inner north-western suburb of Hindmarsh.