Fyfe signs six-year deal with Dockers

Fremantle captain Nat Fyfe is set to be a Docker for life after agreeing to a contract extension to remain at the AFL club until the end of the 2023 season.

The 2015 Brownlow Medallist's six-year deal is the longest contract extension in the club's history.

The deal will see 25-year-old Fyfe play at least three more seasons under coach Ross Lyon, who is contracted with Fremantle until the end of season 2020.

"I'm extremely grateful for the opportunity. Freo has been my home since the start of my career and I've since grown into a leadership role," Fyfe said.

"I really love playing for the club and I'm really grateful and humbled to have the opportunity to be here for the next six years."

The deal is believed to be worth about $1.3 million a year which is less than he could have earned as a free agent but, Fyfe felt his young teammates could win Fremantle's first AFL premiership.

"I think we've got a group who are really willing to learn and aren't interested in waiting around for their careers to follow a natural trajectory," Fyfe said.

"Clearly, we want to deliver Fremantle their first premiership. It's a really lofty and ambitious goal. We're all going to work as hard as we can towards that."