Frank Lampard says Petr Czech played a key role in the arrival of Edouard Mendy at Stamford Bridge.

The Rennes goalkeeper was confirmed by the Chelsea manager of undergoing medicals for the Blues ahead of his move from the French Ligue. He will soon pen to paper and commit his future to Chelsea in a 24m move.

"Petr was important in that because goalkeeper is a very particular position and Petr Cech obviously knows that role very well," said Lampard.

"And Petr will obviously have a big say in this situation from my point of view, and I lean heavily on him. So he was very influential."

Spain goalkeeper Kepa Arrizabalaga has struggled to keep up in games from last season and the omen has gained continuity in the current campaign, with the recent occurring during Liverpool’s 2-0 victory at Stamford Bridge.

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Frank Lampard addressed that the 28-year old Rennes keeper is been acquired to provide competition in the goalkeeping department of Chelsea.

"Mendy's having a medical as we speak, so subject to that being OK later on he'll become our player at that point," Lampard said.

"With Mendy coming in its more competition, so every reaction will have to be positive around that from Kepa.

"Mendy as he comes in himself will push to try and play in this team; we know that. We know the standards that are required from a goalkeeper in this team, so we have to push for that."