MARLBOROUGH, Mass.--(BUSINESS WIRE)--USA Rugby announced that Weetabix, maker of Non-GMO whole grain cereals, has partnered to become the Official Breakfast Cereal of USA Rugby, helping to fuel Eagles and potential Eagles beginning with the most important meal of the day. The partnership commenced at the Atlanta 7s IRB Women’s Sevens World Series event, where the Women’s Eagles Sevens won the Plate, with additional events and digital promotions planned throughout the year.