Celtic have a busy few days ahead.

Not only should fans expect more incomings after the signing of Michel-Ange Balikwisha, there will be a number of outgoings too.

Adam Idah is set to join Swansea City after just one year as a permanent Celtic player. The Hoops spent £9m on the Irishman but he’s on his way out.

Meanwhile, Yang Hyun-jun is the subject of intense interest from Birmingham City. And now, there’s been a big development.

The jereys of Maik Nawrocki, Hyunjun Yang and Luke McCowan in the Celtic dressing room before the mid-season friendly match between Sligo Rovers and Celtic FC at The ShowgroundsPhoto By Piaras Ó Mídheach/Sportsfile via Getty ImagesBirmingham offer Celtic £1.5m for Yang

Sky Sports reporter Anthony Joseph is keeping track of the developments between Yang and Birmingham.

He now states that the EFL Championship side owned by Tom Brady have lodged a £1.5m bid for the South Korean winger.

Writing on the Sky Sports Scottish Premiership transfer blog, Joseph reported: “Birmingham City have offered a deal worth around £1.5m for Celtic winger Hyun-jun Yang.

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“It’s understood the Hoops are considering the offer and talks are continuing.

“Sky Sports News revealed on Wednesday that Birmingham had an approach for the South Korea international. 

“Yang had signalled to the club that he would like to explore a new challenge earlier in the window, amid interest from Norwich City.”

Will Celtic make a profit or loss on Yang?

Back in the summer of 2023, Celtic confirmed the signing of Yang from South Korean outfit Gangwon FC for a fee of £2.1m.

He signed a five-year deal with the Scottish Premiership champions, but that looks destined to be cut short over the next few days.

It means if Celtic accept the £1.5m, they will be making a loss of around £600k on Yang. The 23-year-old has scored seven goals in 70 appearances for the Hoops.