Departing Hull KR coach Justin Morgan believes his side need two wins from their last three regular season games to reach the Super League play-offs after keeping their hopes alive against Bradford.

Former Wests Tigers second rower Ben Galea, 33 on Tuesday, scored Rovers' first try and ex-Cronulla half-back Blake Green their last as they came from behind to record a comfortable 34-8 win.

Another NRL import Michael Dobson also booted five goals, all after two from Patrick Ah Van and a try from former Canberra Raiders half-back Marc Herbert had given the Bulls an 8-0 lead after 15 minutes.

Hull KR remain ninth but keep the difference between them and fierce rivals Hull in eighth to one point - and Morgan knows exactly what it will take to cement a play-off position.

"It is going to be a tough ask to reach the play-offs but we are still alive," said Morgan - who will leave Craven Park at the end of the season and has held talks with several clubs in the NRL about a potential move.

"If we had been beaten by Bradford it would have been almost impossible and I think we need to get two more wins to give ourselves the best possible chance of finishing in the play-offs.

"We have three tough games but we will take a lot of confidence from the win against Bradford and hopefully go on to get a couple more victories."

Meanwhile Wigan maintained their lead at the top of Super League with a 52-18 win over Salford - but it came at a cost with prop Ben Cross breaking his arm.

Sam Tomkins was the stand out performer for the Warriors scoring four tries while wing Pat Richards booted eight goals in a comfortable victory.

Warrington's equally impressive 66-12 win over Wakefield means Wigan's cushion is just a point and Warriors coach Michael Maguire admitted the injury to Cross marred the win.

"Ben was rushed straight to hospital and I'm told there is a big chance it will need plating, so that is very unfortunate news for everyone," said Maguire, who snapped up Cross on short-term deal in July.

"We're just looking for some decent news on that one now - decent in terms of the severity of it and how they're going to have to operate.

"But with that kind of break they tend to plate them, which will mean a pretty long sit-out for Ben."

Meanwhile, Nathan Brown was too putting on a brave face after losing former North Queensland Cowboys forward Luke O'Donnell in their 19-6 defeat to St Helens.

The Giants remain in fourth place in the table despite the defeat but O'Donnell will not play again this season due to his cruciate knee ligament injury.

"Luke won't be back probably until the middle of next year," said coach Brown. "It's unfortunate because he is an important player for us.

"He has had mixed luck with injuries but when he's played, he's played well for us."

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