NIR Bitton believes a domestic treble is not beyond Celtic’s reach this season – if they play the way they did against Hearts for the rest of the campaign.

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Deila’s side must continue to show the willingness to fight for each other that they displayed during Sunday’s 2-2 draw at

Tynecastle – which followed a 2-1 home loss to Motherwell – with their ability to pass a ball. Ahead of the trip to face Dundee at Dens Park tonight, Bitton said: “We need to play like we played on Sunday.

“I think everybody was up for the fight and everybody fought for each other and when we want to win it starts from there.

“Everyone knows we have a lot of quality in the team, but we need to be prepared to fight before we bring the qualities to the game.

“When we fight for each other and do the simple things, we look a good team. We didn’t do it against Motherwell and we lost, so we need to make sure we do the same thing we did on Sunday.”

Asked if Celtic should be further in front in the Ladbrokes Premiership title race at this stage – they are a point ahead of

Aberdeen going into tonight’s games – the midfielder replied: “We have dropped a lot of points on the way, but these things happen.

“We just need to make sure we go into every game prepared the best [we can be] and try to win. Hearts scored an unbelievable goal but these kinds of thing happen. You just need to move forward.”

“We want to win at Dundee as much as we wanted to win against Hearts. But we need to understand it is going to be a difficult game for us and we need to be prepared for it.”

Manager Deila warned Celtic must be wary of Dundee’s attacking threat. Paul Hartley’s side beat Hamilton 4-0 in their last home match before losing 5-2 at Ross County on Saturday. Deila, whose team are looking for a first league win in three games, said: “Offensively, Dundee are good and score goals. We will have to be very good defensively, but we also know that if we defend well that we will get our opportunities, so we have to attack with balance and be aware of what strengths they have.

“If you’re going to be champions you need to win games and we need to get back to winning games as quickly as possible. Every team go through phases where they struggle a bit but it’s important to turn it around as quickly as possible.”

Stuart Armstrong (back) and Dedryck Boyata (hamstring) are likely to miss tonight’s match, while Leigh Griffiths (calf) and Kris Commons (ankle) are doubtful.

Deila said: “Leigh tested himself on Saturday and he wasn’t totally right as he was getting stiffness in his calf when he started running, so it was too early for him. But he’s very close – it could be Wednesday, it could be Saturday, but it’s not a long-term injury.

“Kris got a knock in training on Friday but we don’t think it’s very serious and hopefully he will be ready for Wednesday.”

Dundee defender James McPake was wary of any suggestion that it might be a below-par Celtic side who travel to Dens Park. Asked if he felt there was a vulnerability about the champions at the moment, the 31-year-old said: “I don’t know. Sometimes you think that and they come and are at their best.

“They are coming here off the back of a defeat and a draw but they are still are coming expected to win as they would have been if they had been on a five-match winning streak. They are under a bit of pressure to win so they will be at it, I’m sure.”

Dundee lost 5-2 to Ross County at the weekend despite having taken the lead twice. McPake added: “We were all disappointed but we came in, trained and got it out of our system. We have to be harder to play against and that has got to start on Wednesday because there is a massive test coming.”

Hartley’s side were thrashed 6-0 at Celtic Park in September but McPake said: “To lose six goals is disappointing but sometimes you can put it down to [the opposition] being very good rather than us being poor.

“This is a different game. We all know they can do that to any team in this league but you have to believe that we can beat them. We have given them games in the past where we have been unlucky not to win so we have to be optimistic that we can cause them problems.”