Bayer Leverkusen have signed Switzerland midfielder Granit Xhaka from Arsenal on a five-year deal, the Bundesliga club said on Thursday. Financial details were not disclosed but British media reported the German club paid 25 million euros ($27.19 million)for the 30-year old. Xhaka joins Xabi Alonso’s Leverkusen after spending seven seasons with Arsenal in which he made 297 appearances, with 23 goals and 29 assists, and helped the club win two FA Cups. Xhaka will return to the German league having had a four-year