World Cup to MLS: 12 summer signings you need to know
Major League Soccer has finalized its secondary transfer window, adding 12 players who participated in the 2026 FIFA World Cup. Notable signings include Casemiro joining Inter Miami and various international stars moving to clubs like San Diego FC and Atlanta United.
Why it matters
The influx of high-profile international talent signals the continued growth and global competitiveness of the MLS.
The MLS Secondary Transfer Window is over, and with it came 12 signings who competed at the 2026 FIFA World Cup this summer.
From new Designated Players to familiar names, here's the full rundown of players who recently helped their country compete on the sport's grandest stage.
This follows an MLS-record 45 players competing at the 2026 World Cup while representing 22 clubs and 17 countries.
San Diego FC acquired Achouri from Danish Superliga powerhouse FC Copenhagen, completing the deal in late July .
The 27-year-old winger inked a Designated Player deal after playing all three of Tunisia's Group Stage games at the 2026 World Cup.
Can he help San Diego build on their historic 2025 expansion campaign?
Alonso joined Atlanta fresh off helping Paraguay reach the World Cup Round of 16, where the veteran defender was a regular starter.
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