Chelsea boss Frank Lampard says he'll learn from past transfer mistakes made by the club.

During his second spell as Chelsea boss, Jose Mourinho famously allowed Kevin De Bruyne, Mohamed Salah and Romelu Lukaku to slip through the net at Stamford Bridge.

The trio have since developed into world-class players, and until Lukaku's summer move to Inter Milan all three were playing for one of Chelsea's direct Premier League rivals.

Despite seeing their January transfer ban lifted by the Court of Arbitration for Sport, Lampard has reassured his young players they remain a key part of his long-term vision for Chelsea.

Lampard said: “If we're not patient and if we don't stick with the players, we might end up in a situation like we were before where absolute top, world–class players in this moment were at Chelsea when they were 20, 21 and managers didn't stick with them so much then.

“I'm in a position where I'm going to stick with them."