This is if the MLS were separated and had divisions which had relegation. This is a take on if the MLS was an International Football (Soccer) League.
Here are the Divisions:
MLS 1:
Philadelphia Union
Toronto FC
Columbus Crew SC
Orlando City SC
NYCFC
Sporting KC
Seattle Sounders FC
Portland Timbers
Minnesota United FC
FC Dallas
LAFC
New York Red Bulls
Nashville SC
New England Revolution
San Jose Earthquakes
Colorado Rapids
Montreal Impact
Inter Miami CF
Vancouver Whitecaps FC
Chicago Fire FC
MLS 2:
LA Galaxy - Demoted
Atlanta United FC - MLS (Demoted)
Real Salt Lake - MLS (Demoted)
DC United - MLS (Demoted)
FC Cincinnati - MLS (Demoted)
Houston Dynamo FC - MLS (Demoted)
Austin FC - Expanded team
Charlotte FC - Expanded team
Sacramento Republic FC - Expanded team
St. Louis City SC - Expanded team
Reno 1868 FC - USL Championship (promoted)
Phoenix Rising FC - USL Championship (promoted)
El Paso Locomotive FC - USL Championship (promoted)
New Mexico United - USL Championship (promoted)
San Antonio FC - USL Championship (promoted)
FC Tulsa - USL Championship (promoted)
Louisville City FC - USL Championship (promoted)
Hartford Athletic - USL Championship (promoted)
Pittsburgh Riverhounds SC - USL Championship (promoted)
Tampa Bay Rowdies - USL Championship (promoted)
MLS 3:
SF City FC - USL 2 (promoted)
Orange County SC - USL Championship (promoted)
OKC Energy SC - USL Championship (promoted)
San Diego Loyal SC - USL Championship (promoted)
Tacoma Defiance - USL Championship (promoted)
Las Vegas Lights FC - USL Championship (promoted)
Bozeman Blitzz FC - Regional Club (not made up (don't believe me, look it up))
Cleveland SC - NPSL (Promoted)
Sioux Falls Thunder FC - NPSL (Promoted)
Ottawa Fury FC- No longer a team as of 2019 (brought back)