Complex sentence: Other than two unassuming spells abroad in Switzerland and Greece, Hassan played mainly for hometown's Al-Ahly, for which he made his first-team debuts aged 18, playing his last match for the club sixteen years later.
Split into simpler sentences: Other than two unassuming spells abroad in Switzerland and Greece, Hassan played mainly for his hometown's Al-Ahly, for which he made his first-team debut aged 18. He played his last match for the club sixteen years later.