Diego Costa has reached a 'verbal agreement' with a Chinese club ahead of a summer move, reports have claimed.Chinese side Tianjin Quinjian have reached a ‘verbal agreement’ Diego Costa ahead of a summer move, the club has claimed.The Chinese Super League outfit have been on the trail of the Chelsea striker and came close to signing him in January, but after that move failed, they are confident of landing the 28-year old this summer as his future remains uncertain despite a second Premier League title in three years.Tianjin have made no secret of their interest in Costa , while Borussia Dortmund goal machine Pierre-Emerick Aubameyang has also been linked.And the mega-rich Chinese club have revealed a deal is in the pipeline for a star name.Read also: Kante wins another award, says 'I'm not the best'"Basically, a decision on which player we are going to buy in the summer has been made. And we have secured a verbal agreement with the player as well as his club," Tianjin Quanjian owner Shu Yuhui confirmed."We have not signed a formal contract yet, and I will not reveal the player’s name during the sensitive period."We will get [at least] one, but two [signings from Europe] is also possible."Buying a world-class centre forward is a no-brainer."