english premier league champions chelsea arrived in bangkok yesterday for an exhibition match with the thailand allstars team tomorrow. the last time we came here we didn't come as champions. ti's important for our fans in thailand. we know we have a big fanbase here, chelsea manager jose mourinho told a press conference. for them it's not just a match, it's the occasion to celebrate the premier league isle with us. the Portuguese led the blues to Thailand to begin his second spell as Chelsea manager in 2013. He admitted that it would be difficult for Chelsea to retain the title next season. It's very difficult to win back-to-back titles, said the former read Madrid, inter Milan and Porto boss. We know all the big clubs-Liverpool, Tottenham, man United, Man city and Arsenal-are not happy and they will try to react, so obviously we need to be better next season than we were this season. But Mourinho said he did not envisage any "big investments" over the summer. "Our group is top. The qualities are good. The most important thing in the market for us is not to lose players, I want to keep my players, said the 52-year-old coach. Kiatisak Senamuang, the Thailand All-stars coach, said it would be a great opportunity for his players to play against Chelsea with a number of this players coming from the full national and Olympic team. The match will take place at Rajamangala National stadiums tomorrow at 6pm. The visit is organised by Singh Corporation, a global partner of the London club. Chelsea will next play Sydney FC on Tuesday.