For former Chelsea striker Tony Cascarino, it is quite clear who the best defender at Stamford Bridge is. At 39, Thiago Silva is still going strong. In total, the centre-back has made 21 appearances this season, which includes Chelsea‘s 4-0 win against Preston North End in the FA Cup yesterday. Silva came on as a second half substitute and managed to score. And this morning, speaking on talkSPORT (07/01/2024 at 06:55), Tony Cascarino has hailed the Brazilian as the Blues’ best defender. As things stand, Silva is set to leave Stamford Bridge at the end of the season, with his £110,000-a-week co…