Joel Smith may have only played 15 minutes in his debut match against St Kilda in round one, but the Demons have seen what the second-year defender can offer and have re-signed him to a new two-year deal.
As he is a rookie-listed player, the athletic defender will be permanently added to the club's primary list at the end of this season, with Smith now contracted to the Demons through until the end of 2019.
"After having that little taste of things in the first round I know that I can match it at the top level," Smith said.
"I'm just focusing on my shoulder now and getting it right and hopefully I can play a few games in the AFL at the backend of the season.
"It's been a lot of hard work but I'm really keen for the next few years at Melbourne and I can't thank the club enough."