Shkodran Mustafi became our latest Gunner when he joined the club from Valencia this week.
The Germany defender has already played in four countries and lifted the World Cup in his 10-year professional career - but how well do you know our newest recruit?
More transfer stories:
- Shkodran Mustafi signs for Arsenal
- Quiz: How well do you know Shkodran
- Lucas Perez completes move to Arsenal
- 'I can't wait to get stuck in here now'
- Pictures: Lucas Perez in Arsenal colours
- Quiz: How well do you know Lucas Perez
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