Gelson Martins is a winger born in Cape Verde who represents Portugal internationally. He emerged from Sporting CP, where he became a regular first-team player and won domestic cups, then moved to Atlético Madrid in 2018. After a loan, he joined Monaco permanently and later signed for Olympiacos in 2024. Martins played for Portugal from youth level to the senior side and was selected for the 2017 Confederations Cup and the 2018 World Cup squads.