Teenage centre Jamal Idris and former Cronulla winger Bryson Goodwin bagged two tries each as the 2008 wooden-spooners completed a horror week for the premiers at ANZ Stadium.

In just his fourth first grade game, Idris announced his arrival as a force in 2009 when he scored the Dogs' first four-pointer with a bulldozing run through three would-be Manly defenders.

The 18-year-old was then on the end of an overlap in the 27th minute to grab his second.

"He's obviously a pretty big kid," Dogs captain Andrew Ryan said of the 106kg Idris.

"He made his first grade debut and sort of lobbed up and was asking people why he wasn't feeling nervous.

"That's just the way he is but he just needs to keep learning.

"It's pretty good to be standing over the other side of the field watching him shrug away tackles."

Bulldogs coach Kevin Moore said it wouldn't be difficult keeping the dreadlocked centre's feet on the ground.

"He's a terrific natured kid," he said.

"We've got some pretty good people around, some senior people ... there's any number of blokes that are going to keep him grounded.

"He's the sort of kid that not too much fazes him at the moment, he's only 18 and he just turns up. It's like a game of park footy for him.

"He's got a lot to improve on too, he probably struggled toward the back-end of the game. He loses his legs towards the end of the game, he's still struggling probably with that pace of the game at first grade and playing 80 minutes." Goodwin, 23, is the third son of St George legend "Lord" Ted Goodwin to play first grade after brothers Luke and Bronx.

He had played nine first grade games with the Sharks before Saturday night, when he was on hand to cross out wide in the 37th and 50th minutes.

Ryan said he'd had "no idea" the rebuilt Dogs, who signed big names Brett Kimmorley, Michael Ennis, Ben Hannant, David Stagg and Josh Morris in the off-season, would click so early.

"It's been a huge build-up for us over the off-season, especially with all the new guys coming on board," Ryan said.

"I've never seen a club that's had so many new guys on a roster.

" ... There's been so many changes and credit to the coaching staff, we've gone away and done a few camps together and we've really bonded quite quickly and I think it shows in our performance." Manly captain Matt Orford, who deflected any suggestion that the sexual assault charge against star fullback Brett Stewart last week had contributed to the loss, gave the Bulldogs the early-season thumbs up.

"I think the Dogs are really going to trouble some teams this year, they're going to surprise a lot of people," he said.

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