Overview

• Mexico confirmed a 21-player roster under coach Eduardo Arce, headlined by 16-year-old midfielder Gilberto Mora of Tijuana.
• Foreign-based inclusions for Mexico feature Obed Vargas (Seattle Sounders) and César Garza (Dundee United), with Elías Montiel among the Liga MX standouts.
• Mexico’s Group C schedule is set: Brazil on Sept. 28 and Spain on Oct. 1 at Estadio Nacional in Santiago, then Morocco on Oct. 4 in Valparaíso.
• Argentina published a 16-man training list for a week at Ezeiza, but the definitive squad remains unresolved due to club availability and tournament conflicts.
• Real Madrid coach Xabi Alonso signaled Franco Mastantuono will not be released, and several Argentine prospects involved in Libertadores or Sudamericana have only conditional clearance to join after first legs; the tournament runs Sept. 27–Oct. 19 in Chile with a 24-team format and the final in Santiago.