AFL Fantasy victor Kyerin Grundy has been rigged out of the competition's top prize, after being deemed ineligible for the spoils.

Grundy is the brother of Sydney star ruckman Brodie, and has been told that, after defeating 150,000 participants, he will not be receiving the prize.

The overall winner will receive a Toyota Hilux valued at up to $70,000, with cash prizes for the top 10 finishers. The top 100 will also get a hat displaying their finishing position.

"Entry is open to all people; although, employees of the promoter, the AFL, all AFL clubs and other agencies, firms or companies associated with this promotion, and their immediate families will not be eligible for prizes. Non-Australian entrants will not be eligible for prizes," the AFL Fantasy rules say.

The competition requires you to pick a team with a salary cap at the start of the season and make trades throughout as players' prices fluctuate based on form.

"They would have known I was going to win a prize of some sort, and then no one said anything until the Monday, which) was disappointing," Grundy told 7NEWS.com.au.

"I think it went to their legal team, and they've then decided that under the immediate family rule, that I'm not eligible for the prizes, and that also, they were unaware of me being on The Traders podcast, and they took it down as soon as they realised.

"So they've just sort of totally just blown it off.

"I don't even know if they're going to still recognise me as the overall winner or if someone else is the overall winner."

Grundy continued saying:

"I was hopeful that they might do some sort of goodwill gesture or you know something, but it just seems as though it's all just been left in the lurch with it all," he said, according to Channel 7.

"There wasn't even on the email something like, ‘we still want to really celebrate the fact that you're the overall winner, but unfortunately, you can't get a prize'.

"It's like, I've just been totally shunned and they want to wipe me from the record books."

Grundy appeared on the AFL Traders podcast earlier this month as the top-ranked coach in the league.

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