Ponerse la camiseta, “to put on the shirt,” means to commit to a team. The sports newspaper Récord explains that “ponerse la camiseta implica ser parte de” a team, and that a player merges with the goals of the team. The phrase is also used at work.
In August 2025, Publimetro quoted a training specialist at the human resources firm Hooman, who said that “70% de los empleados del país ya no se ponen la camiseta de la empresa” (70 percent of the country’s employees no longer put on the company’s shirt).