Fikayo Tomori will enter contract talks with Chelsea as he is set to replace David Luiz following the Brazilian defender's £8 million move to Arsenal on deadline day.
The 21-year-old's contract expires in 2021 and the Blues have always been keen to keep hold of the defender after his impressive loan spell under Frank Lampard at Derby County last season.
Luiz's departure to rivals Arsenal blocked Tomori's potential deadline-day loan move to Everton and he will now become part of Lampard's first-team plans at Stamford Bridge.
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Tomori had been in talks with several clubs this summer, but Luiz's exit means he is the final homegrown star to be selected for Lampard's squad.