Eleven teams are fighting for the final places in the Audi 2021 MLS Cup Playoffs – "ready or not" it will be the busiest and most consequential Decision Day ever.
Here are the scenarios for each club:
Atlanta will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Atlanta win or tie vs. Cincinnati
 
or:
- New York lose vs. Nashville
 
or:
- Montréal lose or tie vs. Orlando
 
or:
- Atlanta win goal differential vs. Orlando
 
Atlanta will clinch a top-four seed in Eastern Conference IF:
- Atlanta win vs. Cincinnati AND
 - New York City lose vs. Philadelphia AND
 - Orlando lose or tie vs. Montréal
 
or:
- Atlanta win vs. Cincinnati AND
 - New York City lose vs. Philadelphia AND
 - Atlanta win goal differential vs. Orlando
 
Colorado will clinch the top seed in the Western Conference IF:
- Colorado win vs. LAFC AND
 - Seattle lose or tie vs. Vancouver AND
 - Kansas City lose or tie vs. Salt Lake
 
Columbus will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Columbus win vs. Chicago AND
 - New York lose vs. Nashville AND
 - Montréal lose or tie vs. Orlando AND
 - D.C. lose or tie vs. Toronto AND
 - Columbus win goal differential vs. New York
 
D.C. will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- D.C. win vs. Toronto AND
 - New York lose vs. Nashville AND
 - Montréal lose or tie vs. Orlando
 
Kansas City will clinch the top seed in the Western Conference IF:
- Kansas City win vs. Salt Lake AND
 - Seattle lose or tie vs. Vancouver
 
or:
- Kansas City tie vs. Salt Lake AND
 - Seattle lose by more than one goal vs. Vancouver AND
 - Colorado lose or tie vs. LAFC
 
or:
- Kansas City tie vs. Salt Lake AND
 - Seattle lose by one goal vs. Vancouver AND
 - Colorado lose or tie vs. LAFC AND
 - Kansas City win total goals scored vs. Seattle
 
LA will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- LA win vs. Minnesota
 
or:
- LA tie vs. Minnesota AND
 - Vancouver lose vs. Seattle AND
 - Salt Lake lose or tie vs. Kansas City
 
or:
- LA tie vs. Minnesota AND
 - Vancouver lose vs. Seattle AND
 - LAFC lose or tie vs. Colorado
 
or:
- Salt Lake lose or tie vs. Kansas City AND
 - LAFC lose or tie vs. Colorado
 
LAFC will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- LAFC win vs. Colorado AND
 - Vancouver lose vs. Seattle
 
or:
- LAFC win vs. Colorado AND
 - Salt Lake lose or tie vs. Kansas City
 
Minnesota will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Minnesota win or tie vs. LA
 
or:
- Vancouver lose vs. Seattle AND
 - Salt Lake lose or tie vs. Kansas City
 
or:
- Vancouver lose vs. Seattle AND
 - LAFC lose or tie vs. Colorado
 
or:
- Salt Lake lose or tie vs. Kansas City AND
 - LAFC lose or tie vs. Colorado
 
Montréal will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Montréal win vs. Orlando
 
New York City will clinch a top-four seed in the Audi 2021 MLS Cup Playoffs IF:
- New York City win or tie vs. Philadelphia
 
or:
- Atlanta lose or tie vs. Cincinnati AND
 - Orlando lose or tie vs. Montréal AND
 - New York lose or tie vs. Nashville
 
or:
- Atlanta lose or tie vs. Cincinnati AND
 - Orlando lose or tie vs. Montréal AND
 - New York City win goal differential vs. New York
 
New York will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- New York win or tie vs. Nashville
 
or:
- Montréal lose or tie vs. Orlando AND
 - D.C. lose or tie vs. Toronto AND
 - Columbus lose or tie vs. Chicago
 
or:
- Montréal lose or tie vs. Orlando AND
 - D.C. lose or tie vs. Toronto AND
 - New York win goal differential vs. Columbus
 
New York will clinch a top-four seed in Eastern Conference IF:
- New York win vs. Nashville AND
 - New York City lose vs. Philadelphia AND
 - Atlanta lose or tie vs. Cincinnati AND
 - Orlando lose or tie vs. Montréal AND
 - New York win goal differential vs. New York City
 
Orlando will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Orlando win or tie vs. Montréal
 
or:
- New York lose vs. Nashville
 
or:
- Atlanta lose vs. Cincinnati AND
 - Orlando win goal differential vs. Atlanta
 
Orlando will clinch a top-four seed in Eastern Conference IF:
- Orlando win vs. Montréal AND
 - New York City lose vs. Philadelphia AND
 - Atlanta lose or tie vs. Cincinnati
 
or:
- Orlando win vs. Montréal AND
 - New York City lose vs. Philadelphia AND
 - Orlando win goal differential vs. Atlanta
 
Salt Lake will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Salt Lake win vs. Kansas City
 
Seattle will clinch the top seed in the Western Conference IF:
- Seattle win vs. VancouverÂ
 
or:
- Seattle tie vs. Vancouver AND
 - Kansas City tie vs. Salt Lake AND
 - Colorado lose or tie vs. LAFC
 
or:
- Kansas City lose vs. Salt Lake AND
 - Colorado lose or tie vs. LAFC
 
or:
- Seattle lose by one goal vs. Vancouver AND
 - Kansas City tie vs. Salt Lake AND
 - Colorado lose or tie vs. LAFC AND
 - Seattle win total goals scored vs. Kansas City
 
Vancouver will clinch a berth in the Audi 2021 MLS Cup Playoffs IF:
- Vancouver win or tie vs. Seattle
 
or:
- LA lose vs. Minnesota AND
 - Salt Lake lose or tie vs. Kansas City
 
or:
- LA lose vs. Minnesota AND
 - LAFC lose or tie vs. Colorado
 
or:
- Salt Lake lose or tie vs. Kansas City AND
 - LAFC lose or tie vs. Colorado
 

              

