Bayer Leverkusen coach Xabi Alonso said his team will need “an almost perfect perfomance” to win the Bundesliga table topper against Bayern Munich on Saturday. “We expect a strong opponent, with a strong team and strong individual quality. It will be an emotional and intense game. Our goal is to play a very good game on the pitch and to win we need an almost perfect performance,” Alonso said in a news conference on Friday. Unbeaten Leverkusen top the standings two points ahead of Bayern. A win would give the league leaders a five point advantage over the Bavarians. Defeat, however, would see L…