Samir Nasri is committed to earning a contract with West Ham United.
And he is even willing to train with the club to prove his fitness, per Sky Sports News.
The 31-year-old is serving a drugs ban that will be over at the end of December.
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With the Hammers concerned about his fitness, Nasri will train with them to show he is worth a six month deal on nearly £80,000-per-week.
Nasri is wanted by manager Manuel Pellegrini, who worked with him at Manchester City.