Complex sentence: One drawback in regard to minor and college stadiums is their generally rural location, farther from metropolitan areas' also, most MLS and even the largest minor league baseball sites hold only a few more thousand seats than indoor arenas.
Split into simpler sentences: One drawback in regard to minor and college stadiums is their generally rural location, farther from metropolitan areas. Also, most MLS and even the largest minor league baseball sites hold only a few more thousand seats than indoor arenas.