CELTIC captain Scott Brown says he has been impressed with new arrivals Shane Duffy and David Turnbull - and reckons that the pair will help the Premiership champions push on after a bumpy start to the new campaign.

The Parkhead club have won three of their opening four league games this term but were held to a 1-1 draw at Rugby Park and required a late Albian Ajeti winner to find a way past Dundee United.

That has led to a few mumbles of discontent among the club's supporters but Brown is convinced that he and his team-mates have been performing well and controlling games - and the skipper reckons the two new faces in the first-team squad will help to improve Neil Lennon's side.

He said: "I’ve seen a lot of David Turnbull. He’s a fantastic footballer. Young and keen.

"Shane Duffy’s an international. He’s a leader, great in the air, good with his feet and a strong defender. Great signings we’ve brought in and that’ll definitely help strengthen the squad.

"We can always do better. We’ve had one bad result but when you look back at all the games, we’ve dominated but not scored as much as we’d have liked to.

"There’s a few improvements we can make but we’re looking good and in a good place now."

Brown admits that he and his team-mates are missing turning out in front of 60,000 supporters at Parkhead and that playing behind closed doors has been tough for the players.

But with 300 fans set to be in attendance for a test event at this weekend's trip to Ross County, there is hope that supporters could be back in grounds next month - something that Brown would love to see, provided it is handled in a safe manner.

"No matter who you’re playing against, it’s hard playing in front of no fans," he said. "For us, it’s about getting the fans back in as safely as possible and here’s hoping we do that very soon.

"The fans are our twelfth man at Celtic Park. Everyone knows how good they are.

"They kick us on and that’s who we want to play for. We want to play in front of 60,000 fans, we’ve missed that."