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Major League Soccer is preparing for one of the biggest changes in its history. Starting in July 2027, the competition will stop running entirely within a single calendar year and instead adopt a schedule closer to the one used by the world’s top leagues, kicking off during the U.S. summer and wrapping up in May of the following year.
It’s a move meant to bring MLS closer to the international football calendar. For three decades, the league ran on a different clock than the Premier League, LaLiga, Serie A or the Bundesliga. Those competitions typically start between July and August and finish in May; MLS, meanwhile, has usually run from February or March through November.
That gap wasn’t random. Playing in that window let the league sidestep much of the winter across several U.S. and Canadian cities, where cold weather makes hosting matches tricky. But it also meant MLS was out of sync with the global transfer market.
While European clubs were finishing up their summer business, MLS was already several months into its season. New signings often joined mid-competition, skipping a proper preseason and getting less time to settle in before games started mattering.
How the new calendar will work
The 2027โ28 campaign will be the first under the new format. It kicks off in mid-to-late July 2027 and runs through the playoffs and the MLS Cup final in May 2028.
There’s a winter break built in too, from mid-December to early February, no matches at all in January, and a lighter fixture list in December and February, especially for teams up north.
Before any of that starts, though, the league is running something different: the 2027 MLS Sprint Season. It begins in February, with the regular season wrapping up in April. Teams play 14 games against conference opponents, and the top finishers move on to single-elimination playoffs, with the final set for May, about two months before the 2027โ28 season begins.
What MLS is hoping to get out of this
Mainly, it’s about syncing up with the rest of the football world. Starting the season after the summer transfer window closes gives clubs more room to negotiate deals, build out their rosters, and actually give new signings a real preseason instead of throwing them straight into games.
It should also cut down on the calendar clashes between MLS fixtures and national team duty. Right now, some league matches overlap with FIFA windows or major summer tournaments, pulling players away at inconvenient moments. MLS is betting the new structure will mean fewer absences during the parts of the season that matter most.
None of this means MLS is dropping what makes it distinct. Conferences, playoffs, a one-off final to crown a champion, all of that stays. What changes is the calendar underneath it, which from 2027 on will finally line up with the rhythm of the rest of the football world.
The Agency Perspective
The change appears to strengthen player movement during the primary transfer window,the summer market. By aligning its competition calendar with the world’s leading leagues, MLS would facilitate higher-value transfers both into and out of the United States, as the major football markets would be operating within the same competitive cycle.
For players, the new calendar also presents potential advantages by aligning preseason preparation, competitive play, recovery periods and international competitions. This assumes, of course, that the league continues to adapt the schedule for clubs in colder regions, as is done in countries such as Norway.
For agents working across both MLS and European leagues, this represents a significant shift in the annual planning cycle. Instead of operating through two separate periods, roughly four months of preparation followed by two months of execution, the workflow would become much closer to the European model: approximately ten months of preparation followed by two months of intense activity during the primary transfer window.
Although the winter transfer window will continue to provide opportunities for clubs to adjust their squads, there remains a significant difference in the volume of business compared to the summer market. In 2025, for example, Premier League clubs recorded more than USD 4 billion in transfer spending during the summer window, compared to approximately USD 350 million during the winter window.
At Sousa Football Agents, we closely monitor these developments because anticipating market evolution is essential to creating better opportunities and making strategic decisions in the best interests of our clients.
