DraftKings has agreed a deal to become the official daily fantasy sports offering across all platforms operated by US sports broadcaster and Disney subsidiary ESPN. Under the agreement, the terms of which were not disclosed, both companies will benefit from branding and promotional opportunities across multiple ESPN and DraftKings platforms. Such opportunities will include integration into digital properties and television programming. Walt Disney Company-owned ESPN has already established itself as one of the leading fantasy sports providers in the US, having provided games and content in the country for over 20 years. According to figures from the broadcaster, more than 12…