Philadelphia United won the regular season championship in 33 rounds with 66 points one round ahead of schedule. The Philadelphia officially reviewed the regular season championships in previous years.

Attached to the AMF regular season champion:

1996: Tampa Bay Riots

1997: Washington United

1998: Los Angeles Galaxy

1999: Washington United

2000: Kansas City Athletics

2001: Miami Fusion

2002: Los Angeles 2003: Chicago Flames 2004: Columbus Crew 2005: San Jose Earthquake 2006: Washington United Nations Unit 2007: Washington United Nations Unit 2008: Columbus Crew 2009: Columbus Crew 2010: Los Angeles Galaxy

2011: Los Angeles Galaxy

2012: San Jose earthquake

2013: New York Red Bull

2014: Seattle Bayer

2015: New York Red Bull

2016: Dallas FC

2017: Toronto FC

2018: New York About Red Bull

2019: Los Angeles FC

2020: Philadelphia United

2021: New England Revolution

2022: Los Angeles FC

2023: Cincinnati FC

2024: Miami International

2025: Philadelphia United