On 16 June 2009, he was appointed caretaker senior coach of the North Melbourne Football Club after the resignation of Dani Laidley. On 17 August 2009 the North Melbourne Football Club appointed Brad Scott as their senior coach, thus Crocker was not retained as North Melbourne coach for the 2010 season. However, he remained as assistant coach at North Melbourne Football Club. In 2015, Crocker again served as acting coach when Scott underwent back surgery,[3] and again for one match in 2016 when Scott was ill.[4]
On 30 November 2024, Crocker was head coach of the North MelbourneAFL Women's side that won the 2024 AFLW Grand Final against the Brisbane Lions AFL Women's side.