- MASTERFOODS TO SPONSOR BURGHLEY At a packed media gathering in London today (21/12/01), Masterfoods, the new identity for Mars' food and pet care businesses in the UK, announced that it will be title sponsor of the Burghley Horse Trials in 2002 and 2003. The sponsorship will be titled the Burghley Masterfoods Horse Trials. Mike Davies, Managing Director of Masterfoods said: We are delighted to ...www.burghley-horse.co.uk