Can Xabi Alonso s high-flying Bayer Leverkusen side continue their fine early-season form when they travel to bottom club Mainz on Saturday (kick-off: 3.30pm CEST)?
Union Berlin see off Mainz in Bundesliga china.org.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from china.org.cn Daily Mail and Mail on Sunday newspapers.
Kevin Behrens scored a hat trick and Frederik Rönnow saved two penalties for Union Berlin to start the new Bundesliga season with a comfortable 3-1 win over Mainz on Sunday.
Kevin Behrens scored a hat trick and Frederik Ronnow saved two penalties for Union Berlin to start the Bundesliga season with a 4-1 win over Mainz on Sunday.