Celtic are preparing for a pivotal season in their history.

After recording a ninth-straight league title last term, they have their sights set on a place in the record books by making in 10-in-a-row.

However doing that won't be easy.

If the Bhoys are to achieve the landmark then they'll have to overcome the advancing threat of their arch rivals, Rangers.

On top of that, they'll have to make up for a shaky start to the campaign.

The postponement of two league fixtures after Boli Bolingoli's self-isolating breach led the Bhoys to fall behind in the title race, while an early exit in the Champions League qualifying rounds will have significantly dented the pockets of the Scottish champions.

That could be a big blow as the transfer window starts to heat up.

Celtic have already signed a number of players this term, but if you thought that they were finished then you would be mistaken.

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Reports from Sky Sports have claimed that Neil Lennon's side have made an enquiry for Omar Colley.

The 27-year-old defender is said to be attracting interest from both England and Scotland after an impressive campaign for Sampdoria.

A move for Colley would certainly bolster Lennon's defensive line, with Kristoffer Ajer regularly linked with a move away from Parkhead.

But if Celtic are to complete a move for the centre-back then it's going to cost them.

It's claimed that Sampdoria are commanding a fee of around £10million to get a deal done - a price tag which could be beyond what Celtic are comfortable paying.

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GIVEMESPORT'S Phil Spencer says...

This could be an interesting one to monitor over the coming weeks.

Celtic are already looking for another defender to join the club, however they may be looking for two if Kristoffer Ajer moves on.

Omar Colley could be the man to fill that void.

The centre-back is in his prime and given his form for Sampdoria it's no surprise that he has attracted plenty of interest from the Premier League.

For Celtic the issue will be price.

Odsonne Edouard's £9million move to Parkhead is currently their highest ever fee paid, meaning that a move for Colley would be a club-record.

Would Nick Hammond fund such a large deal for a defender? I'm not so sure.

But given their need to bring in defensive reinforcements it may be the case that Celtic have little choice but to fork out.