The Arizona Diamond Backs (D-Backs) became the newest baseball team in MLB in 1998. In its fourth season, Arizona won a World Series championship, defeating the New York Yankees in 2001 to become the fastest expansion team in major league history to win a championship. Here is the 1998 Inaugural Season Wheaties Collectors Box. The sealed/unopened box, a must have for collectors, is in great condition! Wheaties - The Breakfast of Champions®