European powerhouse set to test Arsenal's resolve to keep forward

Besiktas are reportedly preparing to make an official offer for Arsenal forward Leandro Trossard as speculation surrounding his future continues to grow.The Turkish giants are said to have already opened discussions with both Arsenal and the Belgian international’s representatives ahead of a possible summer move.According to reports from Turkey, Besiktas are expected to submit a formal proposal in the coming days as they attempt to strengthen their squad for next season.Arsenal are underst