Arsenal are prepared to spend another £20million in the January transfer market. The areas they are particularly scouting for are centre half, defensive midfield and left back. They will weigh up marquee players, budget ones and those with potential. Here Sportsmail highlights just how much bang for his buck Arsene Wenger may be able to find. VIDEO Arsene Wenger acting coy when discussing Khedira last transfer window Arsene Wenger knows his defence needs reinforcements but he is working on a tight budget in January WINSTON REID (West Ham) Cost £8m West Ham do not want to sell Reid in January and disrupt their promising season. He is out of contract in the summer but the £8m price tag will reflect their desire to keep him.
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Arsenal want to buy a centre back, left back and defensive midfielder
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Gunners defensive frailties have been exposed so far this season
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Winston Reid, Sami Khedira and Ron Vlaar among the potential targets
Reid has been excellent for @placeholder over the past few seasons, and his power in the air would be vital