Simpson medallist Mark Hutchings saved his best West Perth game for last, producing an out- standing performance in his team's comprehensive win against East Perth.
In a twist of fate, West Coast- listed Hutchings will return to the Royals next year under their alignment with the Eagles.
A State under-18 captain, Hutchings started his career with East Perth juniors before joining St Kilda in the 2010 rookie draft.
De-listed after not playing a game for the Saints, Hutchings returned to WA but moved to the Falcons before the start of the 2011 season.
The 22-year-old was thrown an AFL lifeline by West Coast in last year's national draft, taken with the 60th selection. He made his debut for them this year, playing nine games.
Runner-up to Claremont midfielder Kane Mitchell in last year's Sandover Medal, Hutchings capped another superb WAFL season on the biggest stage of the year.
He finished with 29 disposals, five marks, five tackles, eight clearances, three inside 50s and three goals in a marvellous all-round effort.
"It's a highly unusual situation but I will be at East Perth next year," Hutchings said.
"But today was all about winning a premiership for West Perth and that's what it came down to.
"That's all I was thinking about and I'm just so glad that we won it today.
"It was kind of in the back of my mind that I wouldn't be playing for West Perth for a while and I wanted to make the most of it.
"I've never won a premiership and it's just an unbelievable feeling."
Hutchings said the West Perth players weren't bothered by East Perth starting yesterday's game as warm favourites after thrashing minor premiers Claremont by 63 points in the preliminary final seven days earlier.
"As a group we didn't think about all the hype and whether we were underdogs or not," he said.
"We took a lot of confidence from our first final, trained really hard over the past two weeks and came out here today and just gave massive effort.
"That's what it came down to and I'm just so proud of the boys."
Hutchings said there had been no passengers for the Falcons.
"It was all across the board and that's what we have done all year, had a really even contribution from 22 players.
"That's what we base ourselves on, no stars. We just play really disciplined footy and have 22 contributors."
Hutchings singled out West Perth ruckman Chris Keunen for his effort against Royals big men Paul Johnson and Scott Lycett.
"Chris did a fantastic job all day, he just battled hard all day and made a contest and that's all you can ask of him. He was massive for us."
Coach Bill Monaghan was lavish in his praise of Hutchings.
"He's outstanding, not only as a footballer but also as a person and that was one of the big attractions for us to get him over from East Perth when he originally came back," Monaghan said.
"We just hope Mark plays a lot of AFL footy because there's no one in football who couldn't respect what he does.
"You can't do anything but wish him well and you just hope he plays every AFL game next year so we don't have to front up against him."
·West Coast father-son prospect Alec Waterman won the Mel Whinnen Medal as best afield in the colts grand final for Claremont, who came from behind at three-quarter time to beat South Fremantle by six points.
Waterman, the son of Eagles dual premiership star Chris Waterman, had 22 possessions and two goals for the Tigers.South Fremantle beat West Perth by 36 points in the reserves, with Blaine Johnson winning the Merv McIntosh Medal as best on ground.