Liverpool have boosted their defensive options with the signings of Mamadou Sakho from Paris St Germain and Tiago Ilori from Sporting Lisbon, the Premier League club confirmed on Monday.
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23-year-old Sakho is a France international, having played 14 times for his country since making his debut against England in 2010, while 20-year-old Ilori has played for Portugal at age-group level.
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The pair have lifted the number of defenders signed by Brendan Rodgers during the transfer window to four, although Kolo Toure and Aly Cissokho missed Sunday's 1-0 win over Manchester United through injury.
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Uruguayan centre-back Sebastian Coates has already been ruled out for most of the season with a knee injury.