Career
He previously played for the Sydney Roosters, South Sydney Rabbitohs and the Gold Coast Titans. While attending Westfields Sports High, Minichello played for the Australian Schoolboys team in 1999. Mark started his career with the Sydney Roosters in 2002.
He played 85 games with the club before signing for the Gold Coast Titans in 2007 for their inaugural season.
He has been an important member for the Titans since he joined in 2007. He was selected for City in the City vs Country match on 8 May 2009.
Mark has been selected to play for NSW city, further greatening his chances of playing for the NSW Blues in the State of Origin. On 15 August 2014, Minichiello announced that he has joined Hull Football Club in the English Super League on a two-year deal starting in 2015.
On the 27th January 2016, Minichiello extended his contract with Hull until the end of the 2017 season.