Big money on offer from new AFL teams could spell the end of the one-club player, according to North Melbourne star Drew Petrie.

In light of reports that Melbourne young gun Tom Scully has been offered $1 million to defect to Greater Western Sydney, Petrie said the lucrative lures will become harder to ignore.

The AFL will also introduce limited free agency at the end of next year.

Petrie calls the money rolling in "ridiculous". He also said he sympathises with Scully because he has to deal with the issue in just his second year in the AFL.

The star Kangaroo spearhead is committed to playing out his career with North Melbourne, but said that would increasingly become a less appealing option.

"Most AFL players are just coming to accept GWS and Gold Coast and what they're able to offer to get into the market and to get good players," Petrie said.

"It's a ridiculous amount of money that players are getting offered and going to those clubs for - but, at the same time, I can understand why they're doing it.

"I don't begrudge anyone from going up. I don't begrudge Gary Ablett from going (to the Gold Coast).

"If they're throwing those ridiculous amounts of money at you, it's pretty enticing," he said.

Petrie, an AFL Players' Association board member, said it is "very important" to him to remain a Kangaroo but said he could become a rarity in the long term.

"With these new sides coming in, maybe we're going to see more movement of players in the coming years and less emphasis put on the one-club player loyalty," he said.

"I reckon that the way things are going, we could see players moving around as much as they do in rugby league and even overseas in the English Premier League.

"I'm not sure it's going to be dramatic overnight.

"Everyone wants to start and finish at the one club but now you're seeing two new sides and, if the AFL expand again and try and relocate sides and if people want to come back to their home state, there could be more movement in the coming years."

Petrie said he feels for Tom Scully who is just into his second year but is attempting to cope with reportedly massive offers as well as trying to play good football.

"I do, he gets cornered a fair bit," Petrie said. "I think it's a bit hard on the young fellow.

"He's 19 years old and he's getting a lot thrown at him and he's got a massive decision to make on his future.

"I do feel sorry for him. It's kind of unfair that in his second year of footy, he's not allowed to just play footy - he's being touted as a possible target for GWS."

Petrie said it is natural Scully will be pulled in different directions - by the money and by the loyalty towards those at Melbourne who helped him when he started.

He admits the new clubs could extend their reach to the Kangaroos but expects most of the key experienced players to remain.

"I think we've got a really good core group of players - if we can keep (them) over the next two or three years, we'll go places," he said.

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