Arsenal hero Martin Keown has admitted he is perturbed that Mikel Arteta still seems to have faith in David Luiz, despite the veteran's underwhelming first season with the club.Luiz arrived from Chelsea last summer to add experience to the Gunners defence but the move has not gone as planned.The Brazil international has given away four penalties, been sent off twice and was guilty of a shocking display against Manchester City on Arsenal's return to Premier League action this week.And legendary Arsenal centre-back Keown is baffled that Arteta keeps playing Luiz, telling talkSPORT: “It is about whether players are good enough to be part of the future at that football club.“Is David Luiz good enough?
Read more on dailystar.co.uk