According to César Luis Merlo, Tigres has made the transfer of Guillermo Martínez from Pumas official. The 31-year-old Mexican centre-forward's time at Pumas began in January 2024. The player has joined on a permanent transfer and signed a contract until June 2029. He has 14 caps and 3 goals for Mexico. His current market value is €1.50m, according to Transfermarkt.