By Tom Gott Bayer Leverkusen are officially the new Bundesliga champions. The glory of that accomplishment is huge, but it also brings a whole new challenge – fending off interest from Europe’s elite. Having waltzed their way through Germany’s best this season, Xabi Alonso’s side have attracted quite the spotlight and their top performers are no longer the secrets they once were. Here’s one Bayer Leverkusen player each of the Premier League’s top six should be looking at. Arsenal – Alejandro GrimaldoMikel Arteta has turned Arsenal into a real unit with few weaknesses, but one area of concern i…