He was a member of the Victoria side and has represented Australia at One Day International (ODI) and Test level.

On 21 May 2010, McKay joined Yorkshire CCC as the second overseas player for the T20 competition, partnering South African Herschelle Gibbs.

[1] He returned to English county cricket in 2015 with Leicestershire and while he struggled to have an impact in the County Championship, he was a force for the Foxes in the shorter formats of the game finishing the 2017 t20 Blast season as the highest wicket taker (23) including record figures of 5 for 11 at New Road vs Worcestershire.

On 5 November 2009, after a string of injuries to key Australian bowlers, he made his ODI debut against India and returned figures of 3/58 from 10 overs, including the wicket of Sachin Tendulkar.

[6] He dismissed Kevin Pietersen, Jonathan Trott & Joe Root in three consecutive balls but Australia still lost the match.

He took his maiden T20I wicket in his fourth match, bowling West Indian skipper Darren Sammy.