Chelsea has signed goalkeeper Édouard Mendy to take its summer transfer window spending over $280 million, putting the future starting position of Kepa Arrizabalaga in doubt. The 28-year-old Mendy has joined from French side Rennes, the club said Thursday, for a reported fee of 22 million pounds ($27.75 million) on a five-year contract. Kepa became the world's most expensive goalkeeper when he was signed by Chelsea in 2018 for 80 million euros (then $93 million).Read more on NewsOK.com