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Mesut Ozil is stepping up his rehabilitation to give Arsenal a major boost for their run-in.

Ozil is unlikely to be fit for the FA Cup semi-final against Wigan on Saturday week, but should be available soon after.

The Germany midfielder suffered a hamstring injury during the Gunners' Champions League exit against Bayern Munich last month.

Ozil, 25, underwent intensive physio sessions and has now stepped up gym work and is set to rejoin the training group soon.

That could be a lift for Arsenal, with their $42million record signing hoping to be back quicker than expected so he can be involved in a chase for a top-four finish and the end of their nine-year trophy drought.

Fellow midfielder Aaron Ramsey, out since Boxing Day with a thigh injury, is due to rejoin training on Thursday and has a chance of making the squad for the FA Cup semi final - as does centre-back Laurent Koscielny (calf).

Jack Wilshere (broken foot) and Theo Walcott (knee) are still out, but the former is hopeful of being fit before the end of the season so he can prove his fitness for the World Cup.