The 1990–91 Major Soccer League season was the 13th and penultimate in league history and would end with the San Diego Sockers winning their ninth NASL or MISL title in ten indoor seasons and fourth MISL title in a row.
The 1990–91 Major Soccer League season was the 13th and penultimate in league history and would end with the San Diego Sockers winning their ninth NASL or MISL title in ten indoor seasons and fourth MISL title in a row. (en)