Kepa Arrizabalaga has officially joined Real Madrid on a season-long loan deal from Chelsea. According to Sky Sports, the 28-year-old Spanish shot-stopper, who moved to the Blues from Athletic Bilbao in August 2018 for £71.6 million, has a deal with Los Blancos through June 2024. Thibaut Courtois suffered an Anterior Cruciate Ligament (ACL) injury during training exercise on Thursday…