Asda is tapping into World Cup excitement with a brand-new addition to its Food To Go range that's sure to catch the eye of football fans.The supermarket giant has unveiled a limited-edition Buffalo Chicken Football Roll, priced at just £3.02, which takes inspiration from classic American flavours to mark this summer's US-hosted tournament.It is a new twist on the traditional lunchtime sandwich, shaped like a football and packed with bold, state…