Complex sentence: Fuller co-founded a sports company named 1966 with Beckham's sports agent Terry Byrne to help improve the public image of the England Football team players' interests, founding the player's charity which has since raised almost £1,000,000.
Split into simpler sentences: Fuller co-founded a sports company named 1966 with Beckham's sports agent Terry Byrne to help improve the public image of the England Football team players' interests. He founded the player's charity which has since raised almost £1,000,000.