The success of former Canadian rugby star Mike Pyke's code switch has been recognised with a two-year contract extension to keep him at the Sydney AFL club until at least the end of 2012.

With Mark Seaby on the injured list, Pyke has stepped up to provide valuable ruck support for Shane Mumford.

The 26-year-old Pyke has played 20 games for the Swans since signing up as an international rookie in late 2008.

"I am really happy," said Pyke, the veteran of 20 rugby Tests for Canada.

"(The new contract) gives me an opportunity to feel settled in Sydney and I'm very excited to be put on the senior list."

Pyke said his general awareness and marking had both improved markedly this year.

"Now I need to work on having a sustained impact in games," he said.

"I've had patches this season where I've been contributing quite well, and patches where I go missing a little bit.

"I've showed that I'm capable of playing, but to become really successful you have to do more than that, and that's what I'll be working on in the next two years."

The Swans' general manager of football Dean Moore said Pyke had impressed the coaching staff with his dedication, commitment and athleticism.

"He has improved significantly this year and we believe that progress will continue," Moore said.

"Mike's transition to the AFL is an extraordinary achievement, and testament not only to his athletic abilities but to his determination and strong character."

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