Walker scored in all three games of the 2001 State of Origin series.

He was then selected in the 2008 State of Origin series shortly after a fractured cheekbone.

However they returned to the top four after the 2011 State of Origin series and finished the regular season in third place.

In the second game of the 2002 State of Origin series he was named man-of-the-match.

He played in the centres for the 2004 State of Origin series.

Gallen was selected for all three games in the annual State of Origin series.

He was named man-of-the-match in the second game of the 1990 State of Origin series.

Australian international teams are often selected based on performance in the State of Origin series.

That year he was also named man-of-the-match in the final game of the State of Origin series.

It was also used in the State of Origin series.