With the transfer window now well underway, rumours are emerging and discussions are taking place about player move from one club to another.

One of the latest reports to emerge is that Luton have made a bid for Birmingham striker Isaac Vassell, according to Sun journalist Alan Nixon.

This is a move that could be interesting for more than one reason, so we've taken a look at it in more detail in our latest six-point opinion piece.

Firstly, what's Vassell's current situation?

"It's been a difficult time for Vassell since joining Birmingham in the summer of 2017.

"The forward has struggled for game time since then, having made just 25 appearances in the two seasons since then, scoring once in that time."

So why are Luton interested in Vassell?

"It may have something to do with the fact that it was Luton that Birmingham signed Vassell from.

"The striker scored 16 goals in 55 appearances for Luton during his time at Kenilworth Road when they were at League Two level.

"Having just been promoted back to the Championship, The Hatters will be keen to strengthen their squad in preparation for their return to the second tier, and they were clearly impressed enough with Vassell last time to consider bringing him back to the club."

Would Birmingham be willing to sell?

"That seems likely to depend on other deals.

"The suggestion from Nixon is that The Blues will wait to see what the situation is with top scorer Che Adams - who has been linked with several Premier League clubs - before making a decision on any other attackers, since they will not want to leave themselves short in that position if Adams does move to the Premier League."

How much would Vassell cost?

"The striker still has two years remaining on his current contract at St Andrews', so Birmingham do not currently need to sell him for any price.

"It has been reported by The Birmingham Mail that they spent over £1million to sign the striker, so you would imagine they would at least want their money back on the deal.

"Having just won a second consecutive promotion to the Championship, that is a fee that Luton may now be able to pay."

Would Vassell want to go back to Luton?

"Quite possibly.

"Vassell simply hasn't got the opportunities he would have been hoping for since joining Birmingham, having been a regular feature during his single full season at Luton, which could tempt him to make the return to Kenilworth Road.

"The fact that Luton have won promotion to the Championship also means there would be no concern for Vassell about dropping down a level."

Finally, would Vassell actually get as many chances at Luton this time around?

"You could argue that he wouldn't.

"Since Vassell's departure, the likes of Danny Hylton and League One Player of the Year James Collins have both established themselves as key attacking threats for Luton, making crucial contributions to the club's resurgence.

"Having done so much for them during their resurgence, Luton may feel they owe it to those players to give them a chance in the Championship rather than drop them for a player returning from elsewhere."