Rojas - who started his career at Phoenix thanks to a scholarship from the team's supporters club, Yellow Fever - will play against his former team-mates for the first time since joining Victory at the end of last season.

And Bertos was another Kiwi who incurred the wrath of Wellington supporters when he played with Perth Glory in Phoenix's first year in the Hyundai A-League.

"Every time I touched the ball the crowd was booing me," Bertos recalled. "They'll do the same for him, that's for sure.

"We all know how good he is anyway and [the crowd] will try and help us to do what we can to put him off his game."

But Bertos ruled out any unruly banter from Phoenix players on the pitch as a way of putting Rojas off his game.

"There's a little thing called karma, and if sometimes you say the wrong thing, it'll bite you in the backside. He'll probably whip through and score the winning goal," Bertos said.

"On the field we'll be pretty physical with Marco and definitely let him know he's in for a game. It'll be a tough night for him that's for sure."

But it could be a tough night for Phoenix with Victory also boasting Australian and former Liverpool superstar Harry Kewell in the attacking end to accompany Rojas.

"They're obviously a big club and they've got some big, big signings this season, too. They haven't had the best of starts and they'll have a bit of pressure on them," Bertos said.

"I don't know how their confidence will be, but we've really got to look at what we're doing, concentrating on the things we want to do and do them well.

"Then the results should hopefully take care of themselves."

Wellington will be satisfied with four points and fourth place on the A-League table given their torrid pre-season but Bertos warned another three points this weekend would be crucial if they want to keep in touch with pacesetters Brisbane Roar and Perth Glory.

He added: "You don't want that big gap to start stretching or widening.

"It's a big one for us, especially coming off a loss last week. It'd be nice to get another win, get us firing again and hopefully kick on from there."