A number of questions arise over the Arsenal backline that has transported on average over 40 more goals during the past three Premier League seasons that the old-style top six rivals. Unai Emery, Arsene wenger, and Mikel Arteta have been given the responsibility of addressing the issue. Mikel Arteta doesn’t have enough choice, considering the fact that all of its defenders are in great shape. However, a lot of hope is being rested upon Saliba- a signing worth £27 million from Saint-Etienne last summer. Prior to linking up with his own club, the19-year-old had remained at the Stade Geoffroy- Guichard on loan last season. 2011.