Declan Rice would be an upgrade on Fred and Scott McTominay for Manchester United, says John Hartson, with Manchester City also expected to be keen on a West Ham midfielder that has been heavily linked with Chelsea.
At 21 years of age, an England international who has taken on captaincy duties at the London Stadium when Mark Noble misses out continues to see his stock rise.
A return to Stamford Bridge, where he previously spent time within the academy system, has been mooted on a regular basis.