And there was still time for more drama as Carrick was penalised for blocking Essien's right-wing cross with his arm.

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No one knew how this ball of cells figures out where to put an arm, a wing, a head or a foot.

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After the break the Ospreys also had veteran centre Sonny Parker to thank for the out-stretched arm that brought pacy Glasgow wing Thom Evans down.

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The wing stepped neatly inside Spice, who stuck out an arm that caught Maddock round the neck and sent him spinning to the turf.

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The hosts wanted a penalty after for a challenge on Chung-Yong Lee by Jamie Carragher, and they were appealing again when Paul Robinson's left-wing cross appeared to brush the same defender's arm.

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