With signings in defensive midfield clearly needed, even without an injury to Mikel Arteta, Arsenal should have pursued the signing of Wolfsburg’s superb Brazilian midfield general Luiz Gustavo. The 27-year-old was also linked with the Gunners last summer whilst still at Bayern Munich, and it is hard to understand what has held up his proposed move to the Emirates Stadium. Undoubtedly one of the best midfielders in the Bundesliga, Gustavo could add something to this Arsenal side, who are short of a tough-tackling player to protect their often fragile back four.