It makes sense that MLS teams were active globally during FIFA’s winter transfer window, because it occurs in the MLS offseason when clubs are busy building rosters. However, some international clubs in the thick of their seasons may be unwilling to part with players — which has helped spur increasing calls to shift the MLS season.

San Diego FC will embark on its first season in MLS with Mexican star Chucky Lozano as its signature player as it looks to establish and grow its fan base.