Complex sentence: Pro soccer first came to Minnesota in 1976, when the Minnesota Kicks entered the North American Soccer League (1968--84), though the NASL would fold just three seasons later, in 1984.
Split into simpler sentences: Pro soccer first came to Minnesota in 1976, when the Minnesota Kicks entered the North American Soccer League (1968--84). The NASL would fold just three seasons later, in 1984.