GettyScott WilsonHow many centre-backs is too many?! Chelsea eye Benfica's Tomas Araujo as potential defensive reinforcement but face competition from PSGChelseaBenficaTransfersParis Saint-GermainLiga PortugalPremier LeagueLigue 1Chelsea have made contact with Benfica over a move for Tomas Araujo but the Blues face competition from Paris Saint-Germain.Article continues belowArticle continues belowArticle continues belowArticle continues belowBlues eyeing Araujo moveDefender joined Benfica aged 14Sancho move is off