Chelsea have announced a brand new shirt deal with Yokohama Rubber.
The Blues have entered into a partnership with the Japanese tire brand which is their largest ever commercial deal according to a club statement.
The contract between Chelsea and Yokohama is five years, beginning at the start of the 2015/16 season, and is worth around £40million.
"Chelsea and Yokohama are a perfect fit. Both are global organisations with a focus on performance and innovation, as well as having huge ambition and an unwavering culture of success," said club chairman Bruce Buck.
"We believe that Yokohama will play a key role in helping us drive our global expansion in international markets, such as the United States, where they have operated with distinction for many years.
"Also, of course, Chelsea having such an esteemed and historic Japanese company as our partner enables us to accelerate our development in their home market too.
''We are also looking forward to working with Yokohama on our community projects around the world through the Chelsea Foundation, when together we can use the power of sport as a force for good."
Yokohama Rubber will replace South Korean technology giants Samsung as Chelsea's new shirt sponsor from this summer for the next five years.
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