Racing PositionsMari back in training after knife attack in Italy1YESPNArsenal's Mari 'lucky' to survive knife attack1YAssociated PressItaly stabbing: 1 dead; Arsenal defender injured1YTom HamiltonArsenal's Mari on kick-starting his career in Serie A, praise for Arteta1YJames OlleyArsenal handing David Luiz new contract leads to 'Banter FC' trending on Twitter1YChris WrightDavid Luiz signs one-year extension with Arsenal1YESPNArteta keen on Mari signing despite injury1YJames OlleyMari's assured debut gives Arsenal hope for the future1YTom WilliamsPablo Mari's task at Arsenal: fixing the defence like he did for Flamengo1YTim VickerySources: Pablo Mari move to Arsenal still on1YJulien Laurens