Derby County are hopeful of adding to their squad ahead of the transfer window closing on Monday.

The Rams are still eager to add a midfielder, defender and winger to the squad as they look to climb away from the relegation zone. There was a major departure too with Eiran Cashin having wrapped up a move to Brighton on Friday night in a deal for a fee of around £9m.

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Langas deal wrapped up

Derby County have confirmed the signing of Norwegian international and Viking FK defender Sondre Langas.

The centre-back completed the formalities of his switch earlier today, signing a four-and-a-half-year deal for a fee believed to be around £4m.

He is Derby 's third signing of the January window and follows Matt Clarke and Langas' ex-Viking FK team-mate Lars-Jorgen Salvesen to Pride Park.

Derby have been tracking the centre-back in recent weeks with Langas having won two caps for his country and is recognised as one of Norwegian's football's most promising prospects.

Langas' arrival will help bolster a Derby defence that has been hit by injuries to Curtis Nelson and Nat Phillips, while Eiran Cashin was sold to Brighton for a fee of £9m yesterday.

Langas, who is a right-sided centre-back who can also play at right-back, will now be in contention to face Norwich City in the Championship next weekend.

He is not likely to be the last of Derby's January window arrivals, with the club hoping to add a midfielder and a winger to the squad before the close of play on Monday, with the deadline being 11pm.

Warne on exits

Paul Warne does not foresee any further exits from Derby County before Monday night's transfer deadline.

Derby are in the process of adding to their own squad before the 11pm cutoff point with Viking FK's Sondre Langas the next player expected to be next through the door.

But while the club is feverishly working behind the scenes to strengthen the squad as they target a midfielder and a winger for the final time this season, there have been question marks over some of the fringe players.

Striker James Collins has already departed for Lincoln City on a permanent deal and Sonny Bradley has also left the club to join promotion-chasing Wycombe on loan until the end of the season at which point he will be out of contract at Pride Park.

Brighton also wrapped up a deal for Eiran Cashin with the centre-back sealing a move to the Premier League for a fee of £9m.

Players such as Liam Thompson and Tom Barkhuizen are also entering the last six months of their contracts. Conor Washington is also free to leave the club this summer, but is working his way back from injury.

Asked if there were any further departures in the pipeline, Warne said he does not believe there will be any further exits than those that have already been sanctioned.

"I don't foresee anybody else leaving," he said. "There isn't anyone attracting attention that attracts their attention, if that makes sense.

"I don't think any of them have got anything. At the minute, I've currently only got 16 players outfield fit.

"I have not forced any of players out but my intention is that nobody else will leave and we will just add to the group we have got. That's my positive intention."