Catalans full-back Clint Greenshields sounded a warning to the Super League big guns after helping the Dragons snatch the final play-off spot.

Greenshields scored the match-winning try as the Catalans gained a memorable 24-12 victory at St Helens to secure a visit to either Wigan or Wakefield in next weekend's eliminators.

The Perpignan club reached the second round of the play-offs under Mick Potter a year ago and Greenshields admits last night's shock win will have done wonders for the confidence of Kevin Walters' men.

"It's all going to be hard from here on in but it's a new competition and it's anyone's really," he said. "We'll give it a crack."

The visitors made a tremendous start, going in front thanks to Dimitri Pelo's fourth-minute try, and would have enjoyed a bigger margin of victory with steadier finishing.

An out-of-sorts Saints simply had no answer to the dummy-half runs of Casey McGuire, the creative handling of half-backs Adam Mogg and Thomas Bosc and the sheer desire of a team that received a tongue-lashing from club chairman Bernard Guasch in mid-week.

"He wasn't too happy," said Greenshields. "He came in during the week for a chat to us and said, with the calibre of player in the side, we ought to be performing a lot better than we have.

"We took that it in but the only way to prove it was to come out and do what we did tonight. Hopefully we can continue on and roll on into the semis and try and get a few upsets.

"It was a must-win obviously. It was bit more important to us than it was to them and it showed.

"We copped a bit of a bagging for losing against Wakefield so we had to come out and prove it to ourselves and all the fans."

The Dragons' first-ever win at Knowsley Road wrecked Bradford's gallant bid to maintain their proud ever-present record in the play-offs.

The Bulls finished the regular season with a 21-18 win over Hull at the KC Stadium, a fifth successive victory that left them just short of the top eight.

"We've not lost it tonight, we missed out earlier in the season when we lost some games when we should have won," said coach Steve McNamara.

St Helens go into the play-offs reeling from a fourth home defeat of the season and with nagging injuries to internationals James Graham and Paul Wellens, who sat out last night's match with a quad tear.

Leeds, on the other hand, are buoyant after finishing the regular season with a 30-24 victory at Salford, a fifth straight win that enabled them to clinch their first League Leader's Shield for five years.

Debutant Jay Pitts was among the tryscorers for the Rhinos, who finished four points clear of Saints and will be at home to Huddersfield or Hull KR in the first qualifying play-off on Friday night.

That will be the start of the really serious business, according to Leeds coach Brian McClennan.

"We're glad to have picked up this award but to me it looks like a lid which you stick on top of a cup," he said. "You've got to get the cup so that's what we'll try and do."