I'm going to argue that Alexis IS a top tier striker. He isn't perfect, nor is he fully accustomed to the position, but he is undoubtedly a top tier player who as a striker is producing top tier numbers so far. Normally, that would mean we lack quality on our flanks, but with both Iwobi and Walcott stepping up in a big way so far, we don't. Yet. 🙂