Yum Brands and Grubhub have entered a partnership in the U.S. aimed at driving online sales and delivery to Yum's restaurants, including KFC and Taco Bell. As part of the deal, Yum will buy $200 million of Grubhub stock, to provide the company with the liquidity needed to accelerate expansion of its delivery network. Artie Starrs, U.S. President of Pizza Hut, will join the Grubhub board as an independent director.