Toronto FC became the first Canadian team to win the Cup and Shield.

Toronto's win of the Canadian Championship in the same year earned them the first domestic treble by an MLS side.

Current teams: Each team in the league (except for expansion teams Atlanta United FC and Minnesota United FC) played 17 home and 17 away games (for a total of 34 games) using the following format:[4] Expansion teams: As expansion teams to the league in 2017, Atlanta United and Minnesota United played 17 home and 17 away games (for a total of 34 games) in a secondary format: Ranked from highest to lowest average attendance.

The allocations will be ranked in reverse order of finish for the 2016 season, taking playoff performance into account.

[126] Once the club uses its allocation ranking to acquire a player, it drops to the bottom of the list.