Complex sentence: The Hubert H. Humphrey Metrodome, opened in 1982, now serves as the home of the Minnesota Vikings and previously hosted the Minnesota Twins, and the Minnesota Golden Gophers football team.
Split into simpler sentences: The Hubert H. Humphrey Metrodome, opened in 1982, now serves as the home of the Minnesota Vikings. It had also been the previous home of the Minnesota Twins, and the Minnesota Golden Gophers football team.