MLS - Philadelphia Union
NWSL - Gotham FC
USL - Pittsburgh Riverhounds
USL L1 - One Knoxville
USLS - Lexington SC
MLS NP - Timbers 2
1) The Belt is defended by the current champion in every regular season and postseason match they play in. All friendlies and tournaments consisting of teams outside their league doesn't count.
2) Draws favor the champ. The challenger must win the match to claim the Belt.