According to reporter Kieran Gill, Gilchrist's final transfer fee has increased to 2 million pounds, and Chelsea will retain a 20% second transfer share.

Kieran Gill wrote on social media: "Gilchrist's final transfer fee has risen to £2 million, and the two sides have reached an agreement on this, and Chelsea will retain a 20% second transfer share."

"Today, Gilchrist has trained with his new teammates at West Brom, and they will play against Stoke City tomorrow."