Major Arena Soccer League 3

The Major Arena Soccer League 3 (MASL3) is a North American indoor soccer league that serves as the developmental league of the Major Arena Soccer League and MASL2.

History
Established in the summer of 2020, MASL3 is the third tier of indoor soccer in North America under the MASL banner. Grand Rapids Wanderers and Muskegon Risers II were the first two member clubs announced with the Omaha Kings FC and Sunflower State FC named the same week. Wichita Wings II and Springfield Demize were also added to the inaugural MASL3 lineup.

With the ongoing COVID-19 pandemic just four teams (Grand Rapids and Muskegon sat out) competed in the inaugural season of 2020–21. Omaha Kings FC finished the six-game regular season unbeaten and went on to capture the Heartland Invitational Cup with victories over Wichita Wings II (11-8) and Sunflower State FC (13-7).

Former teams

 * Des Moines United FC (2021–22) – rebranded as Iowa Demon Hawks and moved to MASL 2
 * FC Wichita (2021–22)
 * Grand Rapids Wanderers (2020–21)
 * Muskegon Risers II (2020–21)
 * Omaha Kings FC (2020–21) – moved to MLIS
 * Skyline City CF (2021–22)
 * Springfield Demize (2020–22) – moved to MLIS
 * Sunflower State FC (2020–22)