MELBOURNE has re-signed exciting young forward Jay Kennedy-Harris, tying him to the Demons for a further two seasons.

The 19-year-old, who had one year to run on his existing contract, has extended his stay at the club until the end of the 2017 season.

Demons football manager Josh Mahoney told AFL.com.au Kennedy-Harris was a key part of Melbourne's future plans.

"We're happy that Jay has signed on for another two years," Mahoney said.

"He showed some good signs in his first year and has developed further this pre-season and we look forward to what he can produce in the coming years."

The 173cm small forward played 14 games in his first season in the AFL and started as the substitute on six of those occasions.

But he was quick to make an impact in his time on the ground.

His tenacious tackling pressure was important for the Demons, while he also displayed a nous for goal that Melbourne had lacked in recent years.

Kennedy-Harris kicked nine goals and averaged 10 disposals per game in his debut year.

However the inclusion of former Blue Jeff Garlett this season is sure to help Kennedy-Harris, with the pair set to form a damaging small forward combination.

"We see Jay playing a role in our forward line," Mahoney said.

"We're really looking for him to continue to improve on some of the signs that he showed last year."

The 19-year-old spent more time in the midfield when playing for the Casey Scorpions in the VFL and averaged 22 disposals per game at that level last season.

Kennedy-Harris was drafted by Melbourne with selection No.40 in the 2013 NAB AFL Draft, joining Christian Salem (pick No.9) in playing football at AFL level in 2014.