The Blues goalkeeper thinks that his side’s striker is important, but that if he is missing for a game then his side will cope as they did on Saturday Thibaut Courtois was impressed with how Chelsea handled the absence of Diego Costa as they claimed three more points away to Leicester City to add to their Premier League title challenge. Costa was ruled out of his side’s 3-0 win with a back injury – but Goal understands that the 28-year-old had a falling out with manager Antonio Conte over contract negotiations – after the Blues striker was offered a 30 million-per-year deal from a Chinese football club.