[citation needed] Rush started his professional career in 2003 with the Perth Wildcats of the National Basketball League (NBL).

[8] However, with reduced crowd numbers and a poor win–loss record, the Spirit reportedly faced million-dollar losses just two months into the season.

As a result, Sydney Spirit owner Greg Evans placed the team into administration in late November 2008.

[10] On 12 December 2008, after exercising an out-clause in his contract with the Sydney Spirit, Rush signed with Swedish team Sundsvall Dragons for the rest of the 2008/09 Basketligan season.

His arrival sparked a turnaround that saw the Dragons claw their way to the top of the ladder and make the final play-off series.

[13] In November 2009, after failing to get a contract in a major professional league,[14] Rush signed with fellow Swedish team Gothia Basket.

[17] In May 2011, Rush signed a three-year deal with the Melbourne Tigers, returning to Australia and the NBL for the first time since 2008.

[26] By late January, the team committed to bringing in a replaced for Rush, as they signed American Dwight Burke for the rest of the season.

[30][31] In December 2011, Rush's wife, Amy, gave birth to the couple's first child, a daughter named Layla.