Gilson Costa, a 29-year-old Portuguese defensive midfielder, who was a free agent after a short stint at Tarxien Rainbows, has signed a six-month contract with Mosta FC in the Maltese top division, lasting until the end of the season in June 2026. The former Portugal U20 international has a current market value of €125k, according to Transfermarkt. He has made 4 appearances and scored 1 goal in the domestic league this season.