What happened: Grêmio are searching for a replacement after Arthur left the club, having failed to reach an agreement on a contract renewal. Manager Luís Castro is weighing his options to fill the vacancy. The Porto Alegre club is working through the search while navigating financial constraints.

Why it matters: Losing Arthur leaves a hole Grêmio must address to stay competitive, and the club's stated financial difficulties narrow the pool of realistic targets. How they replace him will shape the squad's balance heading into the season.

What to watch: Watch for the names Grêmio prioritize and whether budget limits push them toward loans or free agents over a marquee signing.