Pro Sports Transactions

Significant Dates in Professional Soccer History


Date Description
1967-12-07 United Soccer Association and National Professional Soccer League merged to form North American Soccer League (NASL)
1973-01-29 NASL expansion franchise awarded to Philadelphia
1973-12-11 NASL expansion franchises awarded to Los Angeles, San Francisco, Seattle, Vancouver
1977-11-15 NASL expansion franchise awarded to Philadelphia
1980-11-25 Washington Diplomats (NASL) folded
1980-11-25 Houston Hurricanes (NASL) folded
1980-11-25 Rochester Lancers (NASL) folded
1980-11-26 Philadelphia Union (NASL) moved to Montreal and renamed Manic (NASL)
1981-09-16 Atlanta Chiefs (NASL) folded
1981-09-16 California Surf (NASL) folded
1981-09-16 Calgary Boomers (NASL) folded
1981-09-16 Dallas Tornado (NASL) folded
1981-12-09 Los Angeles Aztecs (NASL) folded
1981-12-07 NASL Dispersal Draft (Minnesota Kicks)
2019-01-15 Austin FC granted MLS expansion franchise
2019-10-21 Sacramento Republic admitted to MLS
2021-12-14 MLS expansion draft (Charlotte FC)
2023-05-18 MLS awards expansion franchise to San Diego (to begin play in 2025)