This is the moment McKay saw red against Adelaide United, ruling the Australia midfielder out for at least the Round 2 match against Perth Glory. What started as a yellow card for protesting, quickly turned crimson, as the red mist descended on the 31 year-old and he lashed out at referee Ben Williams, earning an early shower for his trouble.

It got us thinking about the various faces of McKay over the years. Here's what we came up with.

1. THE TRAVIS BICKLE

"You talkin' to me?"

2. THE 'JACK AND ROSE'

You could just picture our man, perched atop the bow of the Titanic in exultant joy.

3. THE CHEEKY JOKER

McKay and his Socceroos team-mate Mark Milligan share a laugh while on national team duty last year.

4. THE PROFESSIONAL

5. THE ANGRY ANT