Wolverhampton Wanderers signed Diego Costa on a free transfer.

Diego da Silva Costa, commonly known as Diego Costa, is a professional footballer who plays as a forward for Premier League club Wolverhampton Wanderers and the Spain national team. 

Wolverhampton Wanderers Football Club, commonly known as Wolves, is a professional association football club based in Wolverhampton, England. The club competes in the Premier League, the top division in the English football league system.