By Jacob Leeks Barcelona supporters group Penya Almogàvers have threatened to boycott the Supercopa de Espana as the Catalan club became embroiled in a row over LGBT+ rights. The competition will once again be played in Saudi Arabia, with Barca’s semi-final against Osasuna taking place on Thursday night. Saudi is one of the most dangerous places in the world for LGBT+ people to live, with same-sex relationships illegal and punishable by the death penalty. Ahead of the clash at Al Awal Park in the Saudi capital Riyadh, Barcelona have issued a set of safety recommendations to their fans. They we…