MLS PRESEASON The five MLS clubs in the Concacaf Champions League will get an early start to preseason training camp, beginning just 11 days into the new year. All other MLS clubs can kick off as early as January 18. Preseason kickoff (Champions League teams): Sat., January 11 Preseason kickoff (all other MLS teams): Sat., January 18 2020 ROSTER DEADLINES Clubs are required to be roster compliant on the day before the start of the 2020 MLS regular season (February 28). Rosters will freeze ahead of the final playoff push on September 1 and no roster changes are permitted until after 2020 MLS Cup. Roster Compliance: Fri., February 28 Roster Freeze: Tues., September 1