John Stones is arguably the clearest Premier League case. At 32, with 92 England caps and a decade of success at Manchester City behind him, he offers leadership and a refined reading of danger. His contract situation is unsettled, but his experience remains valuable to teams seeking a composed central defender.
Luka Modric represents a different calculation. His World Cup career has ended, yet his technical quality and authority in midfield remain obvious. A new deal at Milan is reportedly a priority for Ruben Amorim, although the absence of a completed extension keeps the door open to further speculation.
Alaba, 34, offers versatility as a left-back, centre-back or midfielder. Four Champions League titles make his pedigree difficult to question, even if his next move would need to reflect his changing physical demands.
Takehiro Tomiyasu, 27, could be one of the younger opportunities. Arsenal saw only flashes of his ability because of injury, while his return to Japan after a lengthy absence has placed renewed focus on whether his knee problems are finally behind him.
Elsewhere, Leon Goretzka, 31, has left Bayern Munich, but his wage demands may narrow the field. Franck Kessie, 29, brings international leadership, while Vozinha, 40, offers experience and unusual commercial appeal after his World Cup exposure.
The attacking options appear less certain. James Rodriguez, Bamba Dieng and Mohamed Salah are among the other high-profile names linked with the free-agent market, but clubs will judge more than tournament reputation.
The next storyline is which players turn World Cup visibility into serious offers - and which discover that age, fitness and wages matter more once the cameras move on.