Canterbury chief executive Todd Greenberg has rushed to the defence of embattled coach Kevin Moore, saying the NRL club's poor form cannot be pinned on one man.

Moore is under extreme pressure after the 38-4 mauling by Manly on Saturday, and the Bulldogs will slip to eighth spot after Monday night's Newcastle-Wests Tigers clash.

The Bulldogs were expected to feature among the competition's leading teams this year, after major off-season buys Frank Pritchard, Greg Eastwood, Trent Hodkinson and Kris Keating, but have yet to defeat any top-six team, placing further question marks on Moore's future.

But Greenberg said it was unfair to put everything on one of the club's favourite sons.

"There's no sugar coating last night's performance. It was a poor one and no-one's set higher expectations for the Bulldogs than ourselves, and I don't like to see headlines where one single person at the club's pulled out," Greenberg told ABC radio.

"We're all in this together at the Bulldogs and everyone's equally accountable, that's from myself all the way through.

"The best way to get out of a tough period that we're probably in at the moment is to work hard and stick together and that's what we'll do.

"The key part about that is that we're all accountable for our wins and losses at the Bulldogs, not just one person."

But Greenberg did concede that so far, 2011 had not lived up to expectations.

"We're six and six at this point. We're at the bottom of the eight and, by our own admission and our own standards, probably not where we want to be," he added.

In Canberra, the Raiders will be left wondering what happened after they let a 22-0 lead slip on Sunday at home against the Cowboys.

Canberra charged to the lead in the opening 20 minutes, before dynamic fullback Josh Dugan (ankle) and the returning Terry Campese (groin) left the field, causing a tremendous shift in momentum.

Led by a bruising two-try performance from back-rower Tariq Sims, the Cowboys piled on 40 points in 50 minutes to brush the Raiders aside 40-24 in an incredible display.

At ANZ Stadium, South Sydney were left fuming over a controversial no-try to forward Dave Taylor, which denied them a potential upset win on Sunday over Melbourne, who went on to claim a hard-fought 16-6 victory.

In Saturday night's other matches, Sydney Roosters defended their way to a much-needed 13-6 win over the Warriors, while Penrith travelled to the Gold Coast and were able to put the Titans away 23-10.

On Friday night, Brisbane continued the misery at Cronulla when they piled on 18 second-half points to put the Sharks away 34-16 in what was captain Darren Lockyer's last regular season NRL match in Sydney.

Across town, Parramatta looked like a club reborn when they led St George Illawarra 14-6 at halftime, and they were still cheering after 90 minutes when they were able to take a point off the defending premiers thanks to a 14-all draw.

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