Arsenal manager Mikel Arteta has backed calls for concussion substitutes to be introduced in football. The Gunners boss saw defender David Luiz involved in a sickening clash of heads with Raul Jimenez on Sunday which left the Wolves striker with a fractured skull. Luiz played on until half-time, with Arsenal insisting all concussion protocols currently in place were followed, but was replaced as blood continued to seep through his bandaged head. Arsenal faced fierce criticism for not replacing Luiz immediately after the collision, which occurred just five minutes into the Premier League fixture. David Luiz and Raul Jimenez were involved in a sickening clash of heads on Sunday (John...
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