Everton and Nottingham are both interested in 24-year-old Brazilian defender Gustavo Martins for a winter transfer. His club, Grêmio, is demanding a transfer fee between €12m and €15m for the defender, who is considered a fan favourite. Martins, who joined Grêmio in January 2023, has a contract until the end of 2027 and a current Transfermarkt market value of €5.00M. In the 2025/2026 Campeonato Brasileiro Série A season, he has made 24 appearances, scoring 3 goals and providing 2 assists. He has also represented Brazil at the U23 level.