Spanish football expert Guillem Balague says Gareth Bale must now deliver in the big games after turning in an impressive performance against Schalke. The former Spurs star scored twice and made two as Read Madrid romped to a 6-1 win over the Germans in the Champions League last 16 tie.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });Bale has scored 14 times this season and provided 10 assists despite having injury set-backs following his world record 86m move from Tottenham in the summer. And with the attacker now beginning to show his true worth, Balague says he must do it in the big games to justify his price tag. He participated in four of the six goals, showing ability on both sides, as well as power and strength of shot, including vision in the third goal, the Spaniard wrote in AS. He was, this time at least, much in synch with the dynamic of the team. Now he must continue in this vein of form in the big games.