Chelsea could soon enter the transfer market for a new centre-back. That is because Thiago Silva is now expected to leave the club at the end of the season when his contract expires. Wife Belle has already hinted that the central defender will not be signing a new deal at Chelsea. Silva will not be easy to replace, though. The Brazilian has been a key player for the Blues since joining them from Paris Saint-Germain in 2020. In total, he has made 150 appearances for Chelsea and helped the club to win the Champions League, FIFA Club World Cup and UEFA Super Cup. Chelsea eyeing £60m central defen…