Celtic are not known to be big spenders in the transfer market, but recent windows have seen them significantly bolster the options at their disposal. 

The likes of Brendan Rodgers and Neil Lennon have overseen the acquisitions of some impressive player, whose successes at Celtic Park have respectively justified their price tags. 

Today, we’ll be looking at the Hoops’ most expensive ever signings, and testing your knowledge on them. 

Take our quiz to see how well you know Celtic’s big-money moves!

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Who is Celtic's current club-record signing?