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Fremantle are on the verge of a historic achievement, sitting two wins clear at the top of the Australian Football League (AFL) ladder with 15 victories from 17 games.

But it's not just the wins that are stacking up for the Dockers – it's the sold-out crowds at their games, the charity donations pouring in, and the 'Flagmantle' craze taking hold among fans.

Caleb Serong, Fremantle's star player, has hailed the team environment as 'special', citing the strong sense of mateship and selflessness that permeates the team.

“Like we come in and it doesn't feel like work. You come in and you're just hanging out with some of your best mates and that's what I mean when you speak about celebrating each other. It's not 42 individuals coming in and trying to get better. It's 42 blokes that are trying to move together as a collective and celebrate each other for what they do”

— first and foremost as humans, and then as footballers.'

The Dockers' victory hopes against Port Adelaide on Saturday were given a massive boost when Zak Butters, Mitch Georgiades, Jason Horne-Francis, and Jack Lukosius were all ruled out of the match due to injury or suspension.

With games against Port Adelaide (away), West Coast, Western Bulldogs (home), Melbourne (away), Adelaide (home), and Carlton (away) to come, Fremantle are expected to smash the 17-win mark and secure their spot in the finals.

Fremantle's sole minor premiership came back in 2015 when they finished with a 17-5 record.

Sellout crowds at Fremantle games are becoming common place and the Dockers recently hit the $4 million mark for money raised for their charity Starlight Children's Foundation.

The likes of Shai Bolton, Murphy Reid, and Hayden Young have been key to Fremantle's success on the outside, while lesser lights such as Matthew Johnson and Neil Erasmus have thrived in the team's collective effort.

'We all know our roles. Like I can't do what Murphy does and what Bolts does, and potentially they might not be able to do what Andy and I can do on the other side of the ball,' Serong said.

Fremantle's dominance has left fans and opponents alike in awe – and it's clear that the 'Flagmantle' craze is here to stay.