Chelsea sign Thiago Silva on free transfer to bolster Lampard's defence
Brazilian signs one-year deal with option for extra year Silva joins to improve defence who conceded 54 goals While Silva turns 36 next month, his class is not in doubt and he impressed during PSG’s 1-0 defeat to Bayern. Silva, who joined PSG from Milan in 2012, believes that he is still capable of playing at a high level and Chelsea will hope the veteran will be able to handle the pace of the Premier League. Lampard, who felt his team was too quiet last season, already has four centre-backs at his disposal and the arrival of Silva will raise doubts over the futures of Antonio Rüdiger, Andreas Christensen, Kurt Zouma and Fikayo Tomori. Rüdiger and Christensen have less than two years left on their deals and Zouma has been linked with PSG. Everton and Rennes are interested in signing Tomori on loan. Lampard could still target another centre-back in the right circumstances and wants to bring in a goalkeeper after losing faith with Kepa Arrizabalaga. Chelsea have explored the possibilit