PHOTO: £18m Mamadou Sakho back in training for Liverpool

Former Liverpool defender Mamadou Sakho has returned to training.

It's too late for tonight's game against Ludogorets, but Mamadou Sakho has returned to training for Liverpool.

The French international has not played since late September, having been out injured with a thigh injury.

Sakho took part in a small training session on Tuesday, after the rest of the first team squad had flown to Bulgaria for the Champions League clash.

Liverpool's defence has been in terrible form of late, and Sakho's return will give it a major boost.

The Reds host Stoke at the weekend, and while it is unclear whether he will feature, his return to training puts him in with a chance.

Liverpool have not kept a clean sheet in five games, a 0-0 draw at home to Hull City. The last time prior to that was the 3-0 win away at Spurs in late August, in which Sakho started.

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