Complex sentence: It was announced that longtime sponsor Carlsberg would be leaving the club after 18 years to be replaced by British bank Standard Chartered, who commenced a four-year £80 million deal with the club in May 2010.
Split into simpler sentences: It was announced that longtime sponsor Carlsberg would be leaving the club after 18 years. They were replaced by British bank Standard Chartered, who commenced a four-year £80m deal with the club in May 2010.