 It is the second highest stadium in the U.S. (after Coors Field in Denver), and is famous for its nationally known swimming pool beyond the outfield fence.In 2001, the Diamondbacks defeated the New York Yankees 4 games to 3 in the World Series, becoming the city's first professional sports franchise to win a national championship while located in Arizona.The win was also the fastest an expansion team had ever won the World Series, surpassing the old mark of the Florida Marlins of 5 years, set in 1997.