HE admits to feeling like part of the furniture at Port Adelaide, but when he runs out for his 100th AFL game on Saturday night against Sydney, Jackson Trengove will feel no sentimentality.

There's a job to be done, and he knows it - his century match is just like any other game.

Trengove, 24, has battled his fair share of early-career injuries, but his remarkable and prolonged journey to Saturday night's milestone will be worth it, if he can perform at the standard expected of him. 

Fit and firing, his shoulder has fully recovered from a limited end to the pre-season and now he wants to help steer the Power's season towards a better result than the seven-point loss to Fremantle that started it last weekend.

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"For me, I'm so proud to play 100 games at this footy club," Trengove said ahead of Saturday night's game.

"It's meant a lot to me, this footy club, and they've done a lot for me. My family will treasure it [the milestone game] ... but for me it's about getting the job done.

"The shoulder's really good, I've come off 10 weeks of doing 'not much', obviously doing all the rehab, but not much contact. 

"The fitness staff - [physios] Tim O'Leary and Tim Parham and [high performance manager] Darren Burgess - timed it really well, I got the contested stuff in late and then it held up really well throughout the [Freo] game - I was really happy with it."

Trengove and fellow key backman Alipate Carlile will go to Sydney's big key forwards Kurt Tippett and Lance Franklin, although they may rotate play-on roles throughout Saturday night's opening home game at the Adelaide Oval. 

It's a big game for a Port Adelaide side working its way through the league's toughest starting fixture; Sydney played in last year's grand final, and last week's opponent Fremantle featured in the semis. 

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Port's milestone man says the incentive to win this weekend is compounded not just by the marquee opposition, but by playing in front of a vocal home crowd.

"You don't like to lose, but I think every game is a big game now and we build ourselves up ... to play in big games," Trengove said.

"This weekend, it's not only the zip-and-two if you do lose, it's that we're in front of our crowd.

"You don't like losing at home in front of your own crowd. 

"Last year it really started to build with our crowd, and the build up before the game, everyone sees how crucial that is.

"The opposition team really feels the crowd when they are nice and loud, but we've got to play good footy for our crowd to fire up."

While many pundits are pointing to Port Adelaide's fitness as its biggest weapon in 2015, Trengove disagrees. 

Fitness is important, he says, but hard work and winning knife-edge moments in games is essential, especially against a Sydney side choc-full of star players.

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"I thought we performed reasonably well on the weekend, probably didn't sustain it long enough," Trengove said. 

"You know how good [Sydney's] players are, they're good inside, big forwards, they've got a good backline - it's going to be a good contest and I think our boys are up for it.

"I think it's about the crucial moments in the game, hopefully seizing those crucial moments - winning one-on-ones, taking the ball out or a big spoil - will go a long way to win the game."

Trengove will join former SANFL players Reg Schumann and John Harvey as 100-gamers to wear the No. 12 guernsey in first class games for Port Adelaide. He is the club's first AFL player to do so in the number.

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