Celtic are looking to make it two wins from two in the Champions League when they face Borussia Dortmund at the Signal Iduna Park on Tuesday night.

After sweeping aside Slovan Bratislava in their opening match at Celtic Park, Brendan Rodgers’ side will face an entirely different challenge against the Bundesliga giants.

The gulf in squad costs between the Champions League rivals makes for eye-watering reading, with Celtic’s first two European opponents on completely contrasting ends of the financial spectrum.

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Celtic spent £69.3 million on their current squad, with the club breaking their transfer record in the summer to sign Arne Engels from Augsburg for £11 million.

Compare that to Borussia Dortmund, who spent £268 million - almost £200 million more than Celtic. Their most expensive player is 22-year-old Germany international Karim Adeyemi, who signed from RB Salzburg for a fee of around £30m.

Both Dortmund and Celtic’s squads dwarf that of Slovan Bratislava, which cost £2.7 million in total, 20 times less than Celtic’s and around 100 times less than Dortmund’s. Slovan paid around £900,000 for their most expensive player, Croatian midfielder Marko Tolic.