Thomas Frank must tonight decide whether to stick or twist against Paris Saint-Germain in the Champions League .

The Tottenham boss used a back-five against Arsenal at the weekend, which was only the second time he has implemented it this season. The first worked well, against PSG in the UEFA Super Cup in August, but a return to the extra defender on Sunday against Arsenal brought a 4-1 defeat.

Frank faced criticism for a particularly negative set-up but he insisted the problem was his side's inability to compete in duels rather than the system.

However, another turgid performance with a back five would pile the pressure on Frank and he could revert to his preferred 4-2-3-1 shape here in an attempt to spark the attack into life.

Pedro Porro is likely to come into the side after

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