Celtic legend John Hartson believes the Bhoys needs to end the transfer window this month with four or five new players on the books if they are to maintain their push for ten titles in a row.

The Bhoys have a genuine title battle on their hands this season following their defeat at Rangers before the winter break.

Celtic, who have a game in hand over Rangers, are currently level on points with their arch-rivals in the race for the league title and will be aiming for a better showing in the second half of the season.

Brendan Rodgers endured a difficult summer due to Celtic’s inability to strengthen the squad to his liking, and the defending champions have struggled on occasions, especially on the road.

However, Celtic seem to have identified their problems and are now actively involved in the winter transfer window after already securing loan deals for Oliver Burke and Timothy Weah.

The Hoops have also landed Vakoun Issouf Bayo, but Hartson thinks when the dust has settled this month then four to five new faces need to be in the building.

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Hartson also admitted he is desperate to witness Celtic win 10-in-a-row and achieve the holy grail in Scotland, and insisted they can push for a third consecutive title if they sign the right personnel.

“As a fan, I’m desperate to see them win 10-in-a-row just as the millions of Celtic fans around the world do, because it might be another 100 years before any of the teams comes close to getting such an opportunity”, Hartson wrote in his column for the Evening Times.

“You have got Rangers and others signing players, and I think that Celtic need four or five good additions this month to make sure they don’t end up blowing their chance at making history.

“The Rangers board are backing Steven Gerrard in every single way to try and halt this run, because that is the holy grail.

“The summer window was so disappointing from a Celtic point of view, and there was nobody more upset by it than the manager. He didn’t exactly hide that fact.

“So, now it is vitally important that he gets the backing from the board to rectify that in this window.”

Hartson, who spent five seasons at Parkhead, won six trophies during his memorable stint in Glasgow with Celtic.