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.

On Sunday, Major League Soccer's latest expansion team picked up a 2-0 away win over the Los Angeles Galaxy in the franchise's first-ever game. San Diego midfielder Anders Dreyer scored the first two goals in franchise history, stunning the defending MLS champions in their home stadium.