Albion have announced a multi-year extension of their sponsorship deal with American Express.

It includes continued naming rights of the stadium and training complex as well as shirt sponsorship of the men’s, women’s, development and youth teams.

The length and value of the backinghas not been revealed.

But the club are describing it as the longest and most valuable in their 118-year history.

The deal includes specific and additional investment from American Express for women’s and girls’ football.

They will have naming rights for the new women's training complex, due to open towards the end of 2020.

Albion vice chairman Paul Barber said: "We believe the breadth and longevity of the partnership is unrivalled in the sporting world. American Express has been a long-standing, loyal and supportive partner for close to a decade already."