Melbourne have re-signed tough midfielder Colin Sylvia and exciting small forward Austin Wonaeamirri to new two-year contracts.

Sylvia, 23, who was the No.3 pick in the 2003 national draft, showed signs of fulfilling his potential in 17 games this year, producing the best football of his career so far.

Wonaeamirri, 20, impressed in his debut season last year, kicking 24 goals in 18 matches after coming off the rookie list.

But hamstring and knee injuries prevented him from playing a single game this season.

"It's great that Colin and Austin have both committed to the Melbourne Football Club. We have a promising group of young players and they are an integral part of our future," Demons list manager Tim Harrington said.

"Colin stepped up considerably in 2009 and showed us what he is capable of on a more consistent basis.

"Austin struggled with injuries but, after a full pre-season, we are confident that he can make a strong impact in 2010."

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