The Real Madrid forward Gareth Bale has been left out of their 24-man Champions League squad for Friday`s last-16 tie at Manchester City, casting doubt on his future at the club. Bale, 31, last played for Real in June when they beat Mallorca 2-0 and did not feature in their final seven league matches as they pipped Barcelona to the La Liga title while he watched on from the bench. Bale has so far scored over 100 goals for the Spanish side since