Major League Soccer has signed a partnership with America's Dairy Farmers and Milk Processors that makes "Milk" an "Official Sponsor" of MLS and its 12 teams through the 2001 season with exclusive renewal options, MLS Vice President of Corporate Partnerships Tom Haidinger announced today. It's first-ever sponsorship of a professional sports league, Milk begins its MLS partnership at the 2000 MLS All-Star Game in Columbus, Ohio including corporate identification on the East All-Star jersey.