Melbourne skipper Cameron Smith doesn't know if he'll be playing alongside newly re-signed fullback Billy Slater at the NRL club in 2015.

It's not that Smith is considering playing anywhere else, it's just that he doesn't think his body will be up to it.

"I'd love to stay here, it's just that I don't know if I can get to 2015," said Smith, who at 27 was born on exactly the same day as Slater.

"I do a fair few more tackles than Billy does," he added with a laugh.

"When you've for Fuifui Moimoi running at you and Nathan Hindmarsh it takes its toll.

"But you ask anyone who plays at this club, you'd love to stay as long as you can...why would you want to be anywhere else?"

The skipper, himself signed until 2014, said the contract extension for Slater, who has stated he wants to be a Storm player for life, was a coup for the club.

"It's huge, it's great for the club and for the city for Bill to re-sign," Smith said.

"Looking to the future it's great for our recruitment, to say that you're going to get a chance to play alongside one of the best players in the game, it will hold a lot of weight."

After a sluggish start to the season following shoulder surgery, Slater turned in another starring performance in the team's seven-try 38-0 romp over Parramatta.

As well as saving a certain try, he scored one of his own and had a hand in at least two others.

The Test custodian and father of two said negotiations started about six months ago, although he wasn't considering going elsewhere.

"I was always happy to stay at this club and I feel very privileged to have the opportunity to stay because a lot of my good mates would have loved to have stayed but had to be moved on...

"This is my ninth season now and this club's given me a lot and I feel this is where I belong."

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