Complex sentence: The NHL adopted a new league alignment for the 2013--14 season, as the Detroit Red Wings and Columbus Blue Jackets were moved to the Eastern Conference and the Winnipeg Jets to the Western Conference.
Split into simpler sentences: The NHL adopted a new league alignment for the 2013--14 season. The Detroit Red Wings and Columbus Blue Jackets were moved to the Eastern Conference and the Winnipeg Jets to the Western Conference.