This article is part of Football FanCast's Transfer Focus series, which provides opinion and analysis on recent transfer news...

A closer look at who Celtic have signed in the last two weeks of the transfer window in the past five years makes for worrying reading as the club prepare to sign as many five new players before September 2.

What's the story?

An in-depth assessment of the last five years of transfer windows at Parkhead shows a club far from efficient in the market. Neil Lennon has admitted he wants as many as five players in, after securing a £25m windfall thanks to the sale of Kieran Tierney, and the list of late deals won't fill anyone with hope.

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The list is filled with duds like Tyler Blackett, Colin Kazim-Richards, Cristian Gamboa and Jack Hendry, with only a few being deemed a success at Celtic Park. It shines a light on a grim history in the market for the Celts and could prove a sign of things to come as the club prepare to bring in multiple new faces late on in this window.

There have been a few decent signings, like Odsonne Edouard, but the 20-name list doesn't bode well for Lennon and the Celtic board.

Ominous

That's a truly tragic list of mostly flops and it should be a real worry for fans as the club go in search of new faces.

The Celts still need a lot and it's no surprise Lennon wants a whopping five new players. The goalkeeping situation is a mess, the defence is in dire need of quality, Scott Brown could do with a rotation option, the club continues to be linked to wingers as Scott Sinclair's future is unclear and Lennon has spoken of his desire to add another forward.

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Their inefficiency in the transfer market has already hurt the side after the woeful Champions League exit to Cluj, so it's imperative new signings in the next fortnight are more Edouard than Charly Musonda.

The club is running out of time as the window creaks shut and fans have every right to be worried after a shoddy summer so far and a history of pathetic late business.

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