Fremantle cult hero Pat Voss has enraged Port Adelaide fans with a cheeky celebration after kicking a clutch goal in Saturday night’s thriller.

Captain Alex Pearce was the hero with a huge pack mark and goal in the final minute to seal the six-point win, but Power fans will remember the antics of Voss.

WATCH THE VIDEO ABOVE: Pat Voss drops cheeky celebration.

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Voss kicked three goals in the victory and was at his usual antagonist best.

The youngster, who has been nicknamed the Prancing Pony, put Freo ahead by five points with a brilliant goal from a tight angle midway through the final term.

Seconds earlier, Voss was denied what looked like a clean mark by a controversial umpiring decision.

The 22-year-old went straight to the crowd in celebration, shushing them and waving goodbye.

He almost had egg on his face when Port Adelaide captain Connor Rozee put his side up by a point with a cracking set shot from the boundary line with two minutes remaining.

But Freo surged forward to level the scores with a rushed behind before Pearce bobbed up with the match-winning play.

Speaking after the match, Pearce said Voss is a real firestarter for the team, but worried about the home fans.

“Hopefully we can just escort him into the bus and hotel without the Port fans getting into him,” Pearce said.

“He’s good for footy, he’s a bloke that you love playing with. He brings so much passion and energy and he’s good for the game.

“He’s probably a bit like (Hayden) Ballantyne to be honest ... most people that don’t go for Freo want to punch him, but we all want to kiss him.”

Star midfielder Caleb Serong also said that he thought Voss cursed them with that celebration

“I don’t know about the wave, only a point up and still a few minutes left, he can put that one away I think,” he told Fox Footy.

But Serong added that they feed off Voss’ swagger and won’t try to change him.

Freo jump from sixth to fourth ahead of games against Brisbane (home) and Western Bulldogs (away) in the run to the finals.

The Dockers were 14 points down early in the last quarter but booted four of the last five goals.

Fremantle withstood a massive fright from 11-placed Port, who logged a season-best eight-goal quarter.

Port were bossed by Fremantle in the opening term as the visitors scored 4.5 to 0.4.

But the Power violently turned the tide with an unheralded second quarter of 8.1, including seven goals in a 16-minute patch.

Spearhead Mitch Georgiades scored the first major seven minutes into the term. By the 23rd minute, Port had turned a 26-point deficit into a 10-point advantage.

Georgiades added another in a spree including a Jack Lukosius stunner featuring a clever ground-ball tap, a dummy and a checkside from a tight angle.

The burst also included Aliir Aliir’s first goal in 112 games for the Power - his strike after a 50m penalty gave the home side an 8.5 to 7.9 edge at halftime.

Port twice stretched their lead to 15 points in the third term.

And twice, Freo’s 21-gamer Murphy Reid reduced the margin with eye-catching goals, highlighted by a remarkable bouncing effort from a boundary line.

The Power lost Lukosius to a calf injury late in the third quarter but held an eight-point buffer at three quarter-time, 11.8 to 9.12.

The home side went 14 points up when Willie Rioli goaled early in the last before Freo finished with a flourish, with Voss kicking two goals before Pearce became the unlikely match-winner.

Dockers midfielders Caleb Serong (28 touches) and Jaeger O’Meara (26) were prominent and Luke Jackson (23) was an early standout.

Voss booted three goals and his teammates Shai Bolton, Michael Frederick, Murphy Reid and Josh Treacy slotted two apiece.

Port dynamo Zak Butters collected a match-high 29 disposals and triggered the second-term onslaught, while defender Aliir was outstanding, taking 17 marks and booting his rare goal.

Power quartet Georgiades, Rozee, Rioli, Jed McEntee and Lukosius all kicked two goals.

- With AAP