NORTH Melbourne and forward Aaron Black have agreed to part ways, according to Black's manager Jason Dover.

Black is contracted for next season but is looking for more opportunity after spending the year in the VFL.

Dover, of Stride Sports Management, said on NAB AFL Trade Radio that Black could be off to Fremantle.

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Jarrad Waite's arrival at the Roos in 2014 as an unrestricted free agent made it more difficult for Black to play in the senior team.

Black played every game in 2014 but only three since, and none this year.

"We're both on the same page, in that it's only fair now on Aaron that he gets a fresh start to continue his career somewhere else," Dover said.

"Aaron needs that mentally as much as physically getting to a new location.

"We feared at the time when they went and got (Waite) that that might be putting him ahead of Aaron. We thought Aaron was one of the best young forwards in the League at the time.

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"He had come off a really big season and had … major offers to move clubs. He showed a lot of loyalty at the time to stick with the Kangaroos.

"Unfortunately, it probably hasn't played out as promised."

The Dockers were knocked out of the running for star forwards Jesse Hogan and Rory Lobb on Tuesday when the pair announced contract extensions with Melbourne and Greater Western Sydney respectively on Tuesday.

Dover believes that opens up the possibility for Black, 25, to become a Docker.

"Fremantle probably had other targets, in my opinion, over the last month, and a couple of them might have come off the page yesterday," Dover said.

"It's probably a conversation that we will revisit given they might also have (Chris) Mayne going out, and have lost (Matthew) Pavlich.

"We've had some positive conversation with a number of clubs."

Black won the goalkicking at Werribee in 2016 with 21 from 11 games. Concussion and an ankle injury limited his season.