Former Chelsea player Glen Johnson is pleased Thiago Silva signed a new contract but he urged The Blues to tie up other stars.
Several players' contracts are expiring at the end of the season, including defenders Antonio Rudiger, Andreas Christensen and Cesar Azpilicueta.
And although Chelsea extended Thiago Silva's stay by a further year earlier this month, there is plenty of work to be done.
Johnson told Bettingodds.com: "I don’t think Thiago Silva staying eases the pressure off keeping Rüdiger - I think Chelsea still need to sign Rüdiger to a new contract.
"Silva has only signed for another year and he can’t play every single week.
"They’ve done well to keep him but I think Chelsea need to make sure Andreas Christensen and Antonio Rüdiger are kept long-term as well.
"Silva has been fantastic since he came to Chelsea. Helping all the young players, the guy’s got experience coming out of his ears, and he’s still enjoying his football.
"It’s great that he’s signed another year.”
