Celtic have launched a £6million move to land Belgian international right back Timothy Castagne.

Speaking after a thrilling 4-3 win over Aberdeen at Pittodrie, Brendan Rodgers remained tight-lipped over a loan bid for Paris Saint-Germain winger Timothy Weah, the 18-year-old son of former Ballon D'Or winner George.

But the Parkhead boss confirmed plans to make inroads into the transfer market next month after a Scott Sinclair hat-trick and a strike from super sub Odsonne Edouard extended his team's lead over Rangers to three points before Saturday's trip to Ibrox.

Timothy Castagne (left) has emerged as a £6million transfer target for Celtic in January

Castagne has emerged as a potential replacement for Mikael Lustig, who is a pre-contract target for AIK Stockholm, while Sportsmail revealed that Weah is on Rodgers' wish list their search for reinforcements up front.

Asked on Wednesday about Weah, Rodgers said: 'There is nothing to add. Of course we want to bring in some players in January and he is a very talented kid. But there is nothing else.'

Castagne is under contract at Atalanta until the summer of 2020, but the Serie A club are reluctant to sell him, despite the 23-year-old managing just seven appearances this season.

Admitting he feels under-appreciated by coach Gian Piero Gasperini, Castagne wants first-team football to add to his three caps for Belgium.

He said on Wedensday: 'I spoke more with (Belgium coach) Roberto Martinez in one day than I spoke in a year and a half with Gasperini. I need playing time to stay. Everything can go very fast in the world of football.'

Castagne (left) is a Belgium international and could come in to replace Mikael Lustig

Celtic will step up their transfer efforts after Saturday's Old Firm clash with Rangers.

Scotland left-back Kieran Tierney is a major doubt for the match with a hip injury, with his replacement Emilio Izaguirre hooked at half-time on Wednesday after gifting Aberdeen their first penalty at Pittodrie.

'Kieran is clearly a question mark,' said Rodgers. 'In the next 48 hours, we will see.

'If not, it's unfortunate, but we have other guys to come into the squad and that's always an opportunity.'

Jonny Hayes replaced Izaguirre for the second half as Celtic and Aberdeen shared five goals in the final 14 minutes of a frantic encounter.

Insisting he would have no fears over pitching the Irish winger in at left-back against Rangers, Rodgers said: 'I've know Jonny since he was 15, he has played a number of positions and can play wing-back or left-back.

'So he is pretty comfortable and has that speed and power to get forward.

Jonny Hayes is a versatile player and Brendan Rodgers trusts him in a number of positions

'But, as you see with his recovery, when he got back he has the work ethic as well.

'If he has to play there, or Emilio, then there is no problem.'

Delighted to see his side win only their fourth away game of the season at Pittodrie after Edouard and Sinclair made the difference in the final stages, Rodgers praised his team's mental strength.

'That's how their mind is over these last couple of years. We just focus on our job.

'You know that when you play Aberdeen in these games you have to fight. You have to show battling qualities, but you need to have calmness as well and the players have that.

'It was a very good game. I thought we thoroughly deserved to win.

'We had control for large parts of the game and scored a very good first goal in terms of how we wanted to work against Derek's shape.'

Unhappy with the second Aberdeen penalty which dragged the scoreline back to 2-2 with eight minutes to play, he grinned: 'I don't think it was a penalty when Graeme fell over but, obviously, that gives Aberdeen some oxygen in the game.

'At 4-2, it's a reflection of the game, but they score late on and it maybe looks tighter. But it's a brilliant result and a very good performance against a team with which Derek has done a brilliant job.'