 The Colorado Rockies were created as an expansion franchise in 1993 and Coors Field opened in 1995 . The Rockies advanced to the playoffs that year , but were eliminated in the first round . In 2007 , they advanced to the playoffs as a wild @-@ card entrant , won the NL Championship Series , and brought the World Series to Denver for the first time but were swept in four games by the Boston Red Sox . 
